area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 3814 | 6 | 1 | 4 | 1 | 1 | 106 | Culberson-TX (31.33, 104.47) | Culberson-TX (30.66, 104.92) | Culberson-TX (32.00, 104.02) |
2 | 1891 | 1 | 2 | 1 | 2 | 2 | 89 | Berkshire-MA (42.10, 73.17) | Berkshire-MA (42.74, 73.02) | Litchfield-CT (41.47, 73.31) |
3 | 1831 | 6 | 1 | 4 | 1 | 3 | 85 | Coos-NH (44.70, 71.21) | Coos-NH (44.09, 71.34) | Coos-NH (45.31, 71.08) |
4 | 1744 | 1 | 2 | 1 | 2 | 4 | 84 | Somerset-PA (39.73, 79.08) | Somerset-PA (40.24, 78.66) | Garrett-MD (39.21, 79.49) |
5 | 1138 | 1 | 2 | 1 | 2 | 6 | 53 | Sevier-TN (35.66, 83.59) | Sevier-TN (36.04, 83.66) | Swain-NC (35.28, 83.68) |
6 | 898 | 1 | 2 | 4 | 1 | 5 | 61 | Grayson-VA (36.75, 81.34) | Grayson-VA (36.56, 80.84) | Smyth-VA (36.93, 81.84) |
7 | 822 | 6 | 1 | 4 | 1 | 10 | 41 | Bienville-LA (32.34, 93.09) | Bienville-LA (32.45, 92.78) | Bienville-LA (32.24, 93.43) |
8 | 698 | 6 | 1 | 4 | 1 | 12 | 38 | Pendleton-WV (38.68, 79.33) | Pendleton-WV (38.96, 79.35) | Pendleton-WV (38.41, 79.31) |
9 | 619 | 6 | 1 | 4 | 1 | 8 | 43 | Jo Daviess-IL (42.35, 90.29) | Jo Daviess-IL (42.49, 90.66) | Jo Daviess-IL (42.20, 89.92) |
10 | 561 | 6 | 1 | 4 | 1 | 7 | 44 | Cleburne-AL (33.69, 85.60) | Cleburne-AL (33.96, 85.40) | Cleburne-AL (33.47, 85.89) |
11 | 537 | 6 | 1 | 4 | 1 | 13 | 34 | Sussex-NJ (41.14, 74.68) | Sussex-NJ (41.09, 74.99) | Sussex-NJ (41.20, 74.37) |
12 | 501 | 1 | 2 | 4 | 1 | 9 | 42 | Union-GA (34.82, 83.85) | Union-GA (34.65, 84.16) | Towns-GA (34.99, 83.55) |
13 | 494 | 6 | 1 | 4 | 1 | 11 | 40 | New Castle-DE (39.56, 75.61) | New Castle-DE (39.83, 75.47) | New Castle-DE (39.30, 75.76) |
14 | 467 | 6 | 1 | 4 | 1 | 14 | 31 | Logan-OH (40.38, 83.77) | Logan-OH (40.23, 83.55) | Logan-OH (40.54, 83.99) |
15 | 435 | 6 | 1 | 4 | 1 | 15 | 30 | Providence-RI (41.87, 71.58) | Providence-RI (42.01, 71.80) | Providence-RI (41.78, 71.32) |
16 | 405 | 6 | 1 | 4 | 1 | 16 | 28 | Wayne-IN (39.87, 85.01) | Wayne-IN (40.01, 84.81) | Wayne-IN (39.72, 85.19) |
17 | 313 | 6 | 1 | 4 | 1 | 17 | 28 | Yancey-NC (35.89, 82.33) | Yancey-NC (36.08, 82.40) | Yancey-NC (35.70, 82.26) |
18 | 68 | 6 | 1 | 4 | 1 | 18 | 14 | City of Washington-DC (38.89, 77.04) | City of Washington-DC (38.79, 77.04) | City of Washington-DC (39.00, 77.04) |