area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 16129 | 1 | 18 | 1 | 5 | 1 | 275 | Albany-NY (42.76, 73.75) | Washington-VT (44.51, 72.43) | Sussex-NJ (40.91, 74.77) |
2 | 15975 | 3 | 6 | 3 | 2 | 2 | 267 | Franklin-ME (45.10, 70.62) | Piscataquis-ME (46.57, 68.82) | Grafton-NH (43.60, 72.33) |
3 | 3754 | 2 | 10 | 2 | 3 | 3 | 113 | Cherokee-NC (35.23, 83.82) | Lumpkin-GA (34.42, 83.98) | Sevier-TN (36.04, 83.66) |
4 | 2786 | 9 | 1 | 5 | 1 | 4 | 112 | Pennington-SD (44.12, 102.99) | Pennington-SD (44.51, 102.00) | Pennington-SD (43.85, 104.06) |
5 | 2256 | 9 | 1 | 5 | 1 | 5 | 85 | Hancock-ME (44.69, 68.40) | Hancock-ME (44.12, 68.73) | Hancock-ME (45.26, 68.06) |
6 | 1840 | 9 | 1 | 5 | 1 | 8 | 64 | Cimarron-OK (36.75, 102.52) | Cimarron-OK (37.00, 103.00) | Cimarron-OK (36.50, 102.03) |
7 | 1696 | 4 | 5 | 3 | 2 | 6 | 72 | Washington-TN (36.19, 82.51) | Greene-TN (36.16, 83.17) | Carter-TN (36.47, 81.95) |
8 | 1399 | 6 | 3 | 5 | 1 | 7 | 66 | Middlesex-MA (42.46, 71.35) | Norfolk-MA (42.22, 70.79) | Middlesex-MA (42.71, 71.90) |
9 | 1315 | 7 | 2 | 5 | 1 | 10 | 58 | Bedford-VA (37.40, 79.65) | Botetourt-VA (37.80, 79.82) | Bedford-VA (37.01, 79.48) |
10 | 1120 | 5 | 4 | 5 | 1 | 11 | 56 | Rappahannock-VA (38.63, 78.20) | Madison-VA (38.23, 78.23) | Warren-VA (39.04, 78.15) |
11 | 915 | 9 | 1 | 5 | 1 | 14 | 43 | Wallace-KS (38.92, 101.76) | Wallace-KS (39.14, 101.48) | Wallace-KS (38.70, 102.05) |
12 | 898 | 7 | 2 | 5 | 1 | 9 | 61 | Grayson-VA (36.75, 81.34) | Grayson-VA (36.56, 80.84) | Smyth-VA (36.93, 81.84) |
13 | 731 | 9 | 1 | 5 | 1 | 12 | 52 | Logan-AR (35.19, 93.71) | Logan-AR (35.06, 94.14) | Logan-AR (35.32, 93.28) |
14 | 561 | 9 | 1 | 5 | 1 | 13 | 44 | Cleburne-AL (33.69, 85.60) | Cleburne-AL (33.96, 85.40) | Cleburne-AL (33.47, 85.89) |
15 | 500 | 9 | 1 | 5 | 1 | 16 | 37 | Westchester-NY (41.14, 73.73) | Westchester-NY (40.92, 73.92) | Westchester-NY (41.37, 73.54) |
16 | 494 | 9 | 1 | 5 | 1 | 15 | 40 | New Castle-DE (39.56, 75.61) | New Castle-DE (39.83, 75.47) | New Castle-DE (39.30, 75.76) |
17 | 477 | 9 | 1 | 5 | 1 | 17 | 35 | Nelson-VA (37.79, 78.89) | Nelson-VA (38.05, 78.84) | Nelson-VA (37.54, 78.83) |
18 | 467 | 9 | 1 | 5 | 1 | 19 | 31 | Logan-OH (40.38, 83.77) | Logan-OH (40.23, 83.55) | Logan-OH (40.54, 83.99) |
19 | 405 | 9 | 1 | 5 | 1 | 20 | 28 | Wayne-IN (39.87, 85.01) | Wayne-IN (40.01, 84.81) | Wayne-IN (39.72, 85.19) |
20 | 383 | 9 | 1 | 5 | 1 | 18 | 32 | Lake-CO (39.22, 106.36) | Lake-CO (39.38, 106.14) | Lake-CO (39.06, 106.58) |