area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 21085 | 2 | 3 | 2 | 1 | 1 | 301 | Tulare-CA (36.30, 118.27) | Inyo-CA (35.81, 115.65) | Fresno-CA (36.74, 120.92) |
2 | 12011 | 1 | 6 | 2 | 1 | 3 | 258 | Pierce-WA (46.99, 122.20) | Yakima-WA (46.04, 119.87) | Jefferson-WA (47.88, 124.61) |
3 | 10200 | 4 | 2 | 2 | 1 | 5 | 157 | Siskiyou-CA (41.21, 122.44) | Shasta-CA (40.45, 121.33) | Siskiyou-CA (41.99, 123.54) |
4 | 8522 | 2 | 3 | 2 | 1 | 2 | 274 | Maui-HI (20.54, 156.54) | Honolulu-HI (21.60, 158.33) | Hawaii-HI (19.45, 154.77) |
5 | 7675 | 4 | 2 | 2 | 1 | 4 | 215 | Lane-OR (43.93, 122.00) | Lane-OR (44.28, 124.12) | Deschutes-OR (43.61, 119.90) |
6 | 4227 | 10 | 1 | 2 | 1 | 8 | 102 | Teton-WY (43.97, 110.67) | Teton-WY (43.38, 110.06) | Teton-WY (44.67, 111.06) |
7 | 3814 | 10 | 1 | 2 | 1 | 7 | 106 | Culberson-TX (31.33, 104.47) | Culberson-TX (30.66, 104.92) | Culberson-TX (32.00, 104.02) |
8 | 3116 | 4 | 2 | 2 | 1 | 6 | 123 | Whatcom-WA (48.69, 122.03) | Whatcom-WA (49.00, 123.32) | Whatcom-WA (48.72, 120.65) |
9 | 2415 | 4 | 2 | 2 | 1 | 9 | 76 | Clackamas-OR (45.38, 122.10) | Clackamas-OR (45.13, 122.79) | Hood River-OR (45.70, 121.44) |
10 | 2130 | 10 | 1 | 2 | 1 | 10 | 67 | El Paso-CO (38.83, 104.54) | El Paso-CO (38.52, 104.05) | El Paso-CO (39.13, 105.03) |
11 | 1239 | 10 | 1 | 2 | 1 | 11 | 58 | Santa Cruz-AZ (31.54, 110.89) | Santa Cruz-AZ (31.43, 111.37) | Santa Cruz-AZ (31.73, 110.45) |
12 | 1138 | 4 | 2 | 1 | 2 | 12 | 53 | Sevier-TN (35.66, 83.59) | Sevier-TN (36.04, 83.66) | Swain-NC (35.28, 83.68) |
13 | 698 | 10 | 1 | 2 | 1 | 14 | 38 | Pendleton-WV (38.68, 79.33) | Pendleton-WV (38.96, 79.35) | Pendleton-WV (38.41, 79.31) |
14 | 512 | 10 | 1 | 2 | 1 | 15 | 35 | Pickens-SC (34.85, 82.72) | Pickens-SC (34.62, 82.85) | Pickens-SC (35.07, 82.57) |
15 | 501 | 4 | 2 | 2 | 1 | 13 | 42 | Union-GA (34.82, 83.85) | Union-GA (34.65, 84.16) | Towns-GA (34.99, 83.55) |
16 | 467 | 10 | 1 | 2 | 1 | 16 | 31 | Logan-OH (40.38, 83.77) | Logan-OH (40.23, 83.55) | Logan-OH (40.54, 83.99) |
17 | 405 | 10 | 1 | 2 | 1 | 17 | 28 | Wayne-IN (39.87, 85.01) | Wayne-IN (40.01, 84.81) | Wayne-IN (39.72, 85.19) |
18 | 313 | 10 | 1 | 2 | 1 | 18 | 28 | Yancey-NC (35.89, 82.33) | Yancey-NC (36.08, 82.40) | Yancey-NC (35.70, 82.26) |