area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 107546 | 1 | 211 | 1 | 12 | 1 | 761 | Portage-OH (41.07, 81.03) | Northampton-VA (37.20, 75.81) | Kenosha-WI (42.61, 88.31) |
2 | 83000 | 2 | 89 | 2 | 8 | 2 | 581 | Carroll-NH (43.83, 71.51) | Aroostook-ME (47.33, 68.15) | Middlesex-NJ (40.25, 74.48) |
3 | 32144 | 11 | 2 | 5 | 1 | 4 | 269 | Coconino-AZ (35.62, 112.47) | Mohave-AZ (34.46, 114.39) | Coconino-AZ (37.00, 110.75) |
4 | 21585 | 6 | 5 | 5 | 1 | 3 | 289 | Riverside-CA (33.81, 116.68) | Imperial-CA (32.76, 114.53) | Los Angeles-CA (34.82, 118.89) |
5 | 15675 | 3 | 14 | 3 | 2 | 5 | 259 | Lincoln-CO (39.28, 103.58) | Greeley-KS (38.26, 101.57) | Boulder-CO (40.26, 105.65) |
6 | 4938 | 19 | 1 | 5 | 1 | 8 | 111 | Custer-ID (44.20, 114.32) | Custer-ID (43.80, 113.36) | Custer-ID (44.61, 115.28) |
7 | 4315 | 5 | 6 | 5 | 1 | 6 | 130 | Solano-CA (38.24, 122.15) | Sacramento-CA (38.72, 121.12) | San Francisco-CA (37.75, 123.17) |
8 | 3814 | 19 | 1 | 5 | 1 | 9 | 106 | Culberson-TX (31.33, 104.47) | Culberson-TX (30.66, 104.92) | Culberson-TX (32.00, 104.02) |
9 | 3458 | 4 | 7 | 5 | 1 | 7 | 118 | Perry-OH (39.85, 82.25) | Guernsey-OH (40.17, 81.23) | Pickaway-OH (39.52, 83.27) |
10 | 2690 | 11 | 2 | 5 | 1 | 12 | 81 | El Paso-CO (38.83, 104.69) | Teller-CO (39.13, 105.33) | El Paso-CO (38.52, 104.05) |
11 | 2579 | 19 | 1 | 5 | 1 | 14 | 77 | Cassia-ID (42.29, 113.64) | Cassia-ID (41.99, 114.28) | Cassia-ID (42.59, 113.00) |
12 | 2093 | 8 | 4 | 3 | 2 | 13 | 79 | Blount-TN (35.53, 83.86) | Sevier-TN (35.87, 83.29) | Monroe-TN (35.29, 84.50) |
13 | 1881 | 19 | 1 | 5 | 1 | 10 | 88 | Summit-UT (40.89, 110.83) | Summit-UT (41.00, 110.00) | Summit-UT (40.77, 111.65) |
14 | 1840 | 19 | 1 | 5 | 1 | 21 | 64 | Cimarron-OK (36.75, 102.52) | Cimarron-OK (37.00, 103.00) | Cimarron-OK (36.50, 102.03) |
15 | 1729 | 6 | 5 | 5 | 1 | 19 | 66 | Cherokee-GA (34.19, 84.49) | Forsyth-GA (34.29, 83.93) | Bartow-GA (34.08, 85.05) |
16 | 1663 | 11 | 2 | 5 | 1 | 15 | 73 | Canyon-ID (43.49, 116.50) | Canyon-ID (43.86, 117.02) | Ada-ID (43.11, 115.98) |
17 | 1621 | 19 | 1 | 5 | 1 | 20 | 65 | Jackson-CO (40.68, 106.41) | Jackson-CO (40.35, 105.96) | Jackson-CO (41.00, 106.86) |
18 | 1505 | 19 | 1 | 5 | 1 | 17 | 68 | Osceola-FL (28.00, 81.26) | Osceola-FL (27.64, 80.87) | Osceola-FL (28.35, 81.66) |
19 | 1501 | 11 | 2 | 5 | 1 | 18 | 67 | Orange-FL (28.75, 81.57) | Lake-FL (29.28, 81.64) | Lake-FL (28.35, 81.96) |
20 | 1465 | 9 | 3 | 5 | 1 | 11 | 84 | Grayson-VA (36.64, 81.58) | Grayson-VA (36.56, 80.84) | Washington-VA (36.71, 82.33) |
21 | 1374 | 9 | 3 | 5 | 1 | 16 | 72 | Rutherford-TN (36.03, 86.45) | Cannon-TN (35.66, 85.99) | Davidson-TN (36.39, 86.91) |
22 | 1269 | 11 | 2 | 5 | 1 | 22 | 61 | Anderson-SC (34.65, 82.71) | Pickens-SC (35.09, 82.78) | Anderson-SC (34.21, 82.74) |
23 | 1150 | 19 | 1 | 5 | 1 | 23 | 55 | Walton-FL (30.63, 86.19) | Walton-FL (30.27, 86.00) | Walton-FL (30.99, 86.39) |
24 | 1058 | 11 | 2 | 5 | 1 | 24 | 52 | Dallas-TX (32.77, 96.67) | Dallas-TX (32.55, 97.04) | Rockwall-TX (32.98, 96.30) |
25 | 959 | 19 | 1 | 5 | 1 | 29 | 45 | Cass-TX (33.08, 94.35) | Cass-TX (32.88, 94.65) | Cass-TX (33.30, 94.06) |
26 | 953 | 19 | 1 | 5 | 1 | 31 | 44 | Kimball-NE (41.20, 103.72) | Kimball-NE (41.00, 104.05) | Kimball-NE (41.39, 103.38) |
27 | 830 | 19 | 1 | 5 | 1 | 35 | 42 | Halifax-VA (36.76, 78.92) | Halifax-VA (37.06, 79.09) | Halifax-VA (36.63, 78.55) |
28 | 822 | 19 | 1 | 5 | 1 | 38 | 41 | Bienville-LA (32.34, 93.09) | Bienville-LA (32.45, 92.78) | Bienville-LA (32.24, 93.43) |
29 | 821 | 19 | 1 | 5 | 1 | 26 | 47 | Spartanburg-SC (34.89, 82.04) | Spartanburg-SC (35.20, 82.22) | Spartanburg-SC (34.58, 81.86) |
30 | 791 | 19 | 1 | 5 | 1 | 36 | 42 | Hopkins-TX (33.17, 95.58) | Hopkins-TX (33.38, 95.31) | Hopkins-TX (32.98, 95.86) |
31 | 734 | 19 | 1 | 5 | 1 | 30 | 45 | Gooding-ID (42.93, 114.84) | Gooding-ID (42.65, 114.62) | Gooding-ID (43.20, 115.09) |
32 | 731 | 19 | 1 | 5 | 1 | 25 | 52 | Logan-AR (35.19, 93.71) | Logan-AR (35.06, 94.14) | Logan-AR (35.32, 93.28) |
33 | 561 | 19 | 1 | 5 | 1 | 32 | 44 | Cleburne-AL (33.69, 85.60) | Cleburne-AL (33.96, 85.40) | Cleburne-AL (33.47, 85.89) |
34 | 552 | 19 | 1 | 5 | 1 | 27 | 46 | Reynolds-MO (37.51, 90.85) | Iron-MO (37.74, 91.15) | Iron-MO (37.27, 90.55) |
35 | 519 | 19 | 1 | 5 | 1 | 33 | 43 | Island-WA (48.12, 122.59) | Island-WA (47.83, 122.43) | Island-WA (48.41, 122.74) |
36 | 501 | 11 | 2 | 5 | 1 | 37 | 42 | Union-GA (34.82, 83.85) | Union-GA (34.65, 84.16) | Towns-GA (34.99, 83.55) |
37 | 446 | 19 | 1 | 5 | 1 | 28 | 45 | Santa Cruz-CA (37.04, 121.95) | Santa Cruz-CA (36.90, 121.59) | Santa Cruz-CA (37.19, 122.32) |
38 | 444 | 19 | 1 | 5 | 1 | 39 | 39 | Tishomingo-MS (34.73, 88.26) | Tishomingo-MS (34.46, 88.16) | Tishomingo-MS (35.00, 88.36) |
39 | 415 | 11 | 2 | 5 | 1 | 34 | 43 | Fulton-GA (33.66, 84.36) | DeKalb-GA (33.97, 84.34) | Clayton-GA (33.35, 84.39) |
40 | 313 | 19 | 1 | 5 | 1 | 40 | 28 | Yancey-NC (35.89, 82.33) | Yancey-NC (36.08, 82.40) | Yancey-NC (35.70, 82.26) |
41 | 44 | 19 | 1 | 5 | 1 | 41 | 12 | Danville-VA (36.59, 79.41) | Danville-VA (36.58, 79.30) | Danville-VA (36.61, 79.52) |
42 | 43 | 19 | 1 | 5 | 1 | 42 | 9 | Roanoke city-VA (37.28, 79.96) | Roanoke city-VA (37.30, 79.88) | Roanoke city-VA (37.25, 80.04) |
floating glob radius (miles) | center county and point | county 1 and point | county 2 and point | county 3 and point |
1 | 58 | Howard-MD (39.28, 76.85) | Dauphin-PA (40.12, 76.72) | Stafford-VA (38.58, 77.45) | Kent-DE (39.30, 75.76) |
2 | 74 | Piscataquis-ME (45.14, 69.12) | Canada (45.73, 70.38) | Atlantic Ocean (44.41, 68.02) | Canada (45.69, 67.82) |
3 | 64 | Coconino-AZ (36.07, 111.89) | Kane-UT (37.00, 111.90) | Yavapai-AZ (35.26, 112.44) | Navajo-AZ (36.08, 110.75) |
4 | 50 | San Diego-CA (33.31, 116.50) | San Bernardino-CA (34.03, 116.49) | Pacific Ocean (33.09, 117.31) | Mexico (32.59, 116.41) |
5 | 46 | Kit Carson-CO (39.36, 102.29) | Logan-KS (39.14, 101.48) | Dundy-NE (40.00, 102.05) | Lincoln-CO (39.37, 103.15) |
6 | 26 | Custer-ID (44.26, 114.23) | Blaine-ID (43.89, 114.29) | Lemhi-ID (44.50, 113.83) | Lemhi-ID (44.59, 114.48) |
7 | 21 | Solano-CA (38.11, 121.97) | Sonoma-CA (38.07, 122.35) | Alameda-CA (37.88, 122.22) | Yolo-CA (38.31, 121.69) |
8 | 25 | Culberson-TX (31.63, 104.49) | Eddy-NM (32.00, 104.48) | Hudspeth-TX (31.63, 104.91) | Reeves-TX (31.61, 104.06) |
9 | 18 | Fairfield-OH (39.66, 82.51) | Athens-OH (39.47, 82.28) | Licking-OH (39.93, 82.49) | Ross-OH (39.47, 82.74) |
10 | 21 | El Paso-CO (38.82, 104.62) | Elbert-CO (39.13, 104.62) | Fremont-CO (38.65, 104.94) | Pueblo-CO (38.52, 104.62) |
11 | 21 | Cassia-ID (42.30, 113.41) | Box Elder-UT (41.99, 113.40) | Oneida-ID (42.30, 113.00) | Minidoka-ID (42.54, 113.65) |
12 | 12 | Sevier-TN (35.62, 83.45) | Cocke-TN (35.71, 83.28) | Blount-TN (35.62, 83.66) | Jackson-NC (35.47, 83.35) |
13 | 15 | Summit-UT (40.80, 111.16) | Wasatch-UT (40.69, 111.39) | Wasatch-UT (40.67, 110.95) | Uinta-WY (41.00, 111.05) |
14 | 17 | Cimarron-OK (36.75, 102.70) | Union-NM (36.75, 103.00) | Dallam-TX (36.50, 102.69) | Baca-CO (37.00, 102.69) |
15 | 13 | Cherokee-GA (34.23, 84.59) | Gordon-GA (34.41, 84.65) | Paulding-GA (34.08, 84.74) | Fulton-GA (34.11, 84.42) |
16 | 17 | Ada-ID (43.56, 116.42) | Gem-ID (43.81, 116.42) | Owyhee-ID (43.37, 116.62) | Boise-ID (43.73, 116.18) |
17 | 18 | Jackson-CO (40.64, 106.33) | Grand-CO (40.41, 106.49) | Larimer-CO (40.76, 106.02) | Routt-CO (40.70, 106.67) |
18 | 15 | Osceola-FL (28.13, 81.11) | Polk-FL (28.08, 81.35) | Brevard-FL (28.08, 80.87) | Orange-FL (28.35, 81.11) |
19 | 9 | Lake-FL (28.83, 81.80) | Orange-FL (28.79, 81.66) | Marion-FL (28.96, 81.80) | Sumter-FL (28.83, 81.95) |
20 | 13 | Smyth-VA (36.78, 81.53) | Johnson-TN (36.61, 81.65) | Wythe-VA (36.85, 81.30) | Tazewell-VA (36.95, 81.64) |
21 | 10 | Davidson-TN (36.19, 86.80) | Sumner-TN (36.26, 86.64) | Cheatham-TN (36.22, 86.98) | Williamson-TN (36.04, 86.82) |
22 | 13 | Anderson-SC (34.51, 82.64) | Greenville-SC (34.56, 82.42) | Greenville-SC (34.57, 82.43) | Hart-GA (34.46, 82.86) |
23 | 13 | Walton-FL (30.54, 86.17) | Holmes-FL (30.70, 86.04) | Okaloosa-FL (30.55, 86.39) | Washington-FL (30.43, 85.98) |
24 | 15 | Dallas-TX (32.76, 96.78) | Tarrant-TX (32.77, 97.04) | Ellis-TX (32.55, 96.78) | Kaufman-TX (32.76, 96.52) |
25 | 13 | Cass-TX (33.07, 94.43) | Morris-TX (33.07, 94.65) | Marion-TX (32.88, 94.43) | Bowie-TX (33.26, 94.38) |
26 | 14 | Kimball-NE (41.20, 103.63) | Banner-NE (41.39, 103.64) | Weld-CO (41.00, 103.64) | Cheyenne-NE (41.20, 103.38) |
27 | 13 | Halifax-VA (36.74, 78.93) | Charlotte-VA (36.74, 78.69) | Pittsylvania-VA (36.77, 79.16) | Mecklenburg-VA (36.68, 78.70) |
28 | 12 | Bienville-LA (32.32, 93.01) | Webster-LA (32.45, 93.15) | Natchitoches-LA (32.15, 93.01) | Lincoln-LA (32.45, 92.88) |
29 | 13 | Spartanburg-SC (34.93, 82.00) | Cherokee-SC (35.04, 81.81) | Greenville-SC (34.94, 82.22) | Greenville-SC (34.81, 82.17) |
30 | 13 | Hopkins-TX (33.15, 95.53) | Franklin-TX (33.15, 95.31) | Delta-TX (33.31, 95.64) | Wood-TX (32.96, 95.53) |
31 | 11 | Gooding-ID (43.04, 114.82) | Camas-ID (43.20, 114.82) | Twin Falls-ID (42.91, 114.96) | Lincoln-ID (43.04, 114.59) |
32 | 8 | Logan-AR (35.27, 93.64) | Johnson-AR (35.38, 93.62) | Johnson-AR (35.38, 93.70) | Yell-AR (35.15, 93.65) |
33 | 9 | Cleburne-AL (33.62, 85.49) | Randolph-AL (33.49, 85.49) | Carroll-GA (33.64, 85.34) | Calhoun-AL (33.65, 85.64) |
34 | 6 | Iron-MO (37.43, 90.66) | Reynolds-MO (37.37, 90.75) | Madison-MO (37.42, 90.55) | Reynolds-MO (37.43, 90.77) |
35 | 8 | Island-WA (48.27, 122.68) | San Juan-WA (48.37, 122.76) | Jefferson-WA (48.18, 122.78) | Skagit-WA (48.34, 122.54) |
36 | 9 | Union-GA (34.86, 83.96) | Fannin-GA (34.89, 84.11) | Lumpkin-GA (34.74, 83.94) | Clay-NC (34.99, 83.96) |
37 | 7 | Santa Cruz-CA (37.10, 122.12) | Santa Clara-CA (37.17, 122.02) | Pacific Ocean (37.04, 122.23) | Pacific Ocean (37.01, 122.20) |
38 | 7 | Tishomingo-MS (34.84, 88.24) | Lauderdale-AL (34.91, 88.15) | Alcorn-MS (34.84, 88.37) | Colbert-AL (34.83, 88.11) |
39 | 7 | DeKalb-GA (33.75, 84.22) | Fulton-GA (33.75, 84.35) | Henry-GA (33.65, 84.22) | Gwinnett-GA (33.81, 84.12) |
40 | 7 | Yancey-NC (35.90, 82.30) | Buncombe-NC (35.82, 82.36) | Mitchell-NC (35.95, 82.20) | Mitchell-NC (35.99, 82.25) |
41 | 2 | Danville-VA (36.58, 79.39) | Pittsylvania-VA (36.60, 79.42) | Caswell-NC (36.54, 79.39) | Pittsylvania-VA (36.61, 79.36) |
42 | 3 | Roanoke city-VA (37.28, 79.97) | Roanoke-VA (37.32, 79.96) | Salem-VA (37.28, 80.01) | Roanoke-VA (37.28, 79.92) |