area
(sq. miles) | county
count | state
count | span
(miles) | span center | span end 1 | span end 2 |
| 1 | 53834 | 1 | 100 | 1 | 12 | 1 | 630 | Wayne-PA
(41.96, 75.37) | Coos-NH
(45.31, 71.08) | Rockingham-VA
(38.48, 79.22) |
| 2 | 29726 | 2 | 23 | 4 | 1 | 2 | 310 | Chaffee-CO
(38.75, 106.41) | San Miguel-CO
(37.88, 109.04) | Elbert-CO
(39.57, 103.71) |
| 3 | 4520 | 4 | 5 | 4 | 1 | 4 | 135 | Denton-TX
(33.04, 96.92) | Kaufman-TX
(32.36, 96.08) | Cooke-TX
(33.91, 97.48) |
| 4 | 4108 | 3 | 7 | 2 | 2 | 3 | 163 | Sioux-IA
(43.21, 96.25) | McCook-SD
(43.85, 97.61) | Buena Vista-IA
(42.56, 94.91) |
| 5 | 3645 | 4 | 5 | 4 | 1 | 9 | 89 | Newaygo-MI
(43.33, 85.67) | Muskegon-MI
(43.47, 86.53) | Montcalm-MI
(43.12, 84.84) |
| 6 | 3032 | 4 | 5 | 4 | 1 | 5 | 101 | Genesee-MI
(42.92, 83.87) | Lapeer-MI
(43.28, 83.00) | Ingham-MI
(42.42, 84.60) |
| 7 | 2708 | 7 | 3 | 4 | 1 | 8 | 90 | Solano-CA
(38.33, 121.78) | Sacramento-CA
(38.72, 121.12) | Contra Costa-CA
(37.93, 122.43) |
| 8 | 2681 | 10 | 2 | 4 | 1 | 6 | 99 | Lyman-SD
(43.85, 100.16) | Lyman-SD
(43.52, 99.28) | Jones-SD
(44.17, 101.05) |
| 9 | 2631 | 10 | 2 | 4 | 1 | 10 | 81 | Cass-ND
(47.13, 97.24) | Cass-ND
(46.63, 97.68) | Traill-ND
(47.67, 96.89) |
| 10 | 2540 | 7 | 3 | 4 | 1 | 7 | 90 | Roberts-SD
(45.37, 97.03) | Roberts-SD
(45.94, 96.56) | Codington-SD
(44.80, 97.49) |
| 11 | 2430 | 14 | 1 | 4 | 1 | 12 | 76 | Washington-UT
(37.30, 113.47) | Washington-UT
(37.60, 114.05) | Washington-UT
(37.00, 112.90) |
| 12 | 1552 | 7 | 3 | 4 | 1 | 11 | 77 | Mecklenburg-NC
(35.12, 80.89) | Gaston-NC
(35.42, 81.46) | Union-NC
(34.81, 80.32) |
| 13 | 1315 | 10 | 2 | 2 | 2 | 15 | 60 | Garrett-MD
(39.51, 79.41) | Garrett-MD
(39.72, 78.91) | Preston-WV
(39.30, 79.90) |
| 14 | 1306 | 14 | 1 | 4 | 1 | 13 | 63 | Santa Clara-CA
(37.20, 121.70) | Santa Clara-CA
(37.43, 122.19) | Santa Clara-CA
(36.96, 121.21) |
| 15 | 1218 | 14 | 1 | 4 | 1 | 16 | 59 | Slope-ND
(46.45, 103.49) | Slope-ND
(46.63, 102.93) | Slope-ND
(46.28, 104.05) |
| 16 | 1150 | 14 | 1 | 4 | 1 | 18 | 55 | Walton-FL
(30.63, 86.19) | Walton-FL
(30.27, 86.00) | Walton-FL
(30.99, 86.39) |
| 17 | 985 | 14 | 1 | 4 | 1 | 21 | 45 | Palo Pinto-TX
(32.76, 98.32) | Palo Pinto-TX
(33.00, 98.06) | Palo Pinto-TX
(32.52, 98.58) |
| 18 | 898 | 10 | 2 | 4 | 1 | 14 | 61 | Grayson-VA
(36.75, 81.34) | Grayson-VA
(36.56, 80.84) | Smyth-VA
(36.93, 81.84) |
| 19 | 897 | 14 | 1 | 4 | 1 | 20 | 46 | Fannin-TX
(33.60, 96.12) | Fannin-TX
(33.85, 95.86) | Fannin-TX
(33.34, 96.38) |
| 20 | 822 | 14 | 1 | 4 | 1 | 24 | 41 | Bienville-LA
(32.34, 93.09) | Bienville-LA
(32.45, 92.78) | Bienville-LA
(32.24, 93.43) |
| 21 | 702 | 14 | 1 | 4 | 1 | 27 | 38 | Okmulgee-OK
(35.64, 95.98) | Okmulgee-OK
(35.38, 96.09) | Okmulgee-OK
(35.86, 95.77) |
| 22 | 698 | 14 | 1 | 4 | 1 | 23 | 43 | Monona-IA
(42.04, 96.01) | Monona-IA
(42.21, 96.36) | Monona-IA
(41.86, 95.67) |
| 23 | 667 | 14 | 1 | 4 | 1 | 19 | 47 | Wayne-MI
(42.27, 83.15) | Wayne-MI
(42.09, 83.54) | Wayne-MI
(42.45, 82.76) |
| 24 | 644 | 14 | 1 | 4 | 1 | 17 | 58 | Yuba-CA
(39.28, 121.30) | Yuba-CA
(38.92, 121.58) | Yuba-CA
(39.64, 121.01) |
| 25 | 561 | 14 | 1 | 4 | 1 | 22 | 44 | Cleburne-AL
(33.69, 85.60) | Cleburne-AL
(33.96, 85.40) | Cleburne-AL
(33.47, 85.89) |
| 26 | 468 | 14 | 1 | 4 | 1 | 25 | 39 | Harlan-KY
(36.82, 83.17) | Harlan-KY
(36.98, 82.87) | Harlan-KY
(36.66, 83.46) |
| 27 | 467 | 14 | 1 | 4 | 1 | 28 | 31 | Logan-OH
(40.38, 83.77) | Logan-OH
(40.23, 83.55) | Logan-OH
(40.54, 83.99) |
| 28 | 444 | 14 | 1 | 4 | 1 | 26 | 39 | Tishomingo-MS
(34.73, 88.26) | Tishomingo-MS
(34.46, 88.16) | Tishomingo-MS
(35.00, 88.36) |
| 29 | 405 | 14 | 1 | 4 | 1 | 30 | 28 | Wayne-IN
(39.87, 85.01) | Wayne-IN
(40.01, 84.81) | Wayne-IN
(39.72, 85.19) |
| 30 | 402 | 14 | 1 | 4 | 1 | 29 | 30 | Orange-NC
(36.06, 79.11) | Orange-NC
(36.24, 78.95) | Orange-NC
(35.88, 79.25) |
| 31 | 317 | 14 | 1 | 4 | 1 | 32 | 26 | Brown-IN
(39.20, 86.23) | Brown-IN
(39.34, 86.38) | Brown-IN
(39.05, 86.08) |
| 32 | 313 | 14 | 1 | 4 | 1 | 31 | 28 | Yancey-NC
(35.89, 82.33) | Yancey-NC
(36.08, 82.40) | Yancey-NC
(35.70, 82.26) |
| 33 | 229 | 14 | 1 | 4 | 1 | 33 | 25 | Mercer-NJ
(40.29, 74.71) | Mercer-NJ
(40.24, 74.48) | Mercer-NJ
(40.34, 74.94) |
| 34 | 43 | 14 | 1 | 4 | 1 | 34 | 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 | 67 | Hampden-MA
(42.17, 72.54) | Suffolk-NY
(41.29, 72.02) | Sullivan-NH
(43.14, 72.43) | Albany-NY
(42.46, 73.78) |
| 2 | 46 | Lake-CO
(39.33, 106.22) | Routt-CO
(39.92, 106.63) | Fremont-CO
(38.69, 105.97) | Gilpin-CO
(39.85, 105.69) |
| 3 | 20 | Dallas-TX
(32.56, 96.69) | Rockwall-TX
(32.81, 96.52) | Tarrant-TX
(32.57, 97.04) | Henderson-TX
(32.36, 96.45) |
| 4 | 14 | Cherokee-IA
(42.77, 95.58) | Plymouth-IA
(42.77, 95.86) | Ida-IA
(42.56, 95.58) | Clay-IA
(42.91, 95.39) |
| 5 | 23 | Mecosta-MI
(43.48, 85.54) | Isabella-MI
(43.49, 85.09) | Osceola-MI
(43.82, 85.54) | Ottawa-MI
(43.21, 85.79) |
| 6 | 13 | Lapeer-MI
(43.07, 83.24) | Oakland-MI
(42.89, 83.24) | Saint Clair-MI
(43.08, 82.99) | Tuscola-MI
(43.24, 83.35) |
| 7 | 18 | Contra Costa-CA
(38.03, 121.91) | Alameda-CA
(37.80, 122.05) | San Joaquin-CA
(38.04, 121.58) | Napa-CA
(38.15, 122.20) |
| 8 | 17 | Lyman-SD
(43.95, 100.11) | Tripp-SD
(43.70, 100.13) | Hughes-SD
(44.14, 99.89) | Stanley-SD
(44.19, 100.12) |
| 9 | 20 | Cass-ND
(46.92, 97.25) | Clay-MN
(47.01, 96.84) | Barnes-ND
(46.92, 97.68) | Richland-ND
(46.63, 97.25) |
| 10 | 17 | Grant-SD
(45.22, 96.89) | Big Stone-MN
(45.41, 96.68) | Day-SD
(45.22, 97.23) | Deuel-SD
(44.98, 96.88) |
| 11 | 20 | Washington-UT
(37.29, 113.69) | Iron-UT
(37.53, 113.47) | Lincoln-NV
(37.29, 114.05) | Mohave-AZ
(37.00, 113.69) |
| 12 | 13 | Union-NC
(35.00, 80.57) | Lancaster-SC
(34.94, 80.78) | Lancaster-SC
(34.82, 80.57) | Stanly-NC
(35.17, 80.47) |
| 13 | 16 | Preston-WV
(39.48, 79.54) | Grant-WV
(39.29, 79.35) | Fayette-PA
(39.72, 79.54) | Tucker-WV
(39.26, 79.65) |
| 14 | 14 | Santa Clara-CA
(37.28, 121.72) | Stanislaus-CA
(37.29, 121.46) | Alameda-CA
(37.48, 121.72) | Santa Cruz-CA
(37.10, 121.84) |
| 15 | 12 | Slope-ND
(46.45, 103.52) | Billings-ND
(46.63, 103.52) | Bowman-ND
(46.28, 103.52) | Bowman-ND
(46.28, 103.52) |
| 16 | 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) |
| 17 | 15 | Palo Pinto-TX
(32.76, 98.32) | Young-TX
(32.95, 98.43) | Stephens-TX
(32.76, 98.58) | Parker-TX
(32.75, 98.06) |
| 18 | 11 | Smyth-VA
(36.75, 81.47) | Washington-VA
(36.64, 81.61) | Wythe-VA
(36.81, 81.28) | Washington-VA
(36.69, 81.65) |
| 19 | 13 | Fannin-TX
(33.58, 96.09) | Bryan-OK
(33.75, 96.19) | Hunt-TX
(33.38, 96.05) | Lamar-TX
(33.58, 95.86) |
| 20 | 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) |
| 21 | 12 | Okmulgee-OK
(35.69, 95.97) | Muskogee-OK
(35.73, 95.77) | Tulsa-OK
(35.86, 95.97) | Okfuskee-OK
(35.55, 96.09) |
| 22 | 12 | Monona-IA
(42.04, 95.91) | Burt-NE
(41.97, 96.13) | Harrison-IA
(41.86, 95.91) | Woodbury-IA
(42.21, 95.91) |
| 23 | 11 | Wayne-MI
(42.28, 83.33) | Oakland-MI
(42.44, 83.34) | Washtenaw-MI
(42.28, 83.54) | Canada
(42.24, 83.13) |
| 24 | 9 | Yuba-CA
(39.19, 121.45) | Sutter-CA
(39.17, 121.61) | Nevada-CA
(39.19, 121.28) | Butte-CA
(39.31, 121.50) |
| 25 | 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) |
| 26 | 8 | Harlan-KY
(36.84, 83.25) | Leslie-KY
(36.95, 83.31) | Lee-VA
(36.74, 83.21) | Lee-VA
(36.78, 83.13) |
| 27 | 9 | Logan-OH
(40.38, 83.71) | Hardin-OH
(40.52, 83.70) | Champaign-OH
(40.26, 83.78) | Union-OH
(40.37, 83.54) |
| 28 | 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) |
| 29 | 10 | Wayne-IN
(39.87, 84.99) | Union-IN
(39.73, 84.99) | Preble-OH
(39.87, 84.81) | Randolph-IN
(40.00, 84.99) |
| 30 | 8 | Orange-NC
(36.13, 79.12) | Durham-NC
(36.11, 78.97) | Person-NC
(36.24, 79.11) | Alamance-NC
(36.13, 79.26) |
| 31 | 8 | Brown-IN
(39.16, 86.23) | Bartholomew-IN
(39.16, 86.08) | Monroe-IN
(39.16, 86.37) | Jackson-IN
(39.05, 86.23) |
| 32 | 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) |
| 33 | 6 | Mercer-NJ
(40.29, 74.72) | Middlesex-NJ
(40.32, 74.62) | Somerset-NJ
(40.38, 74.72) | Bucks-PA
(40.23, 74.79) |
| 34 | 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) |