area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 18671 | 9 | 1 | 7 | 1 | 1 | 214 | Coconino-AZ (35.63, 111.64) | Coconino-AZ (34.26, 110.76) | Coconino-AZ (37.00, 112.54) |
2 | 5072 | 9 | 1 | 7 | 1 | 7 | 101 | Hawaii-HI (19.62, 155.55) | Hawaii-HI (18.86, 155.68) | Hawaii-HI (20.32, 155.85) |
3 | 4258 | 9 | 1 | 7 | 1 | 6 | 103 | San Diego-CA (33.04, 116.84) | San Diego-CA (33.45, 117.58) | San Diego-CA (32.62, 116.11) |
4 | 4068 | 1 | 5 | 1 | 3 | 3 | 113 | Worcester-MA (42.48, 71.83) | Providence-RI (41.74, 71.36) | Cheshire-NH (43.16, 72.45) |
5 | 3611 | 2 | 4 | 7 | 1 | 5 | 103 | Park-CO (39.31, 105.88) | Summit-CO (39.92, 106.43) | Park-CO (38.70, 105.33) |
6 | 3580 | 5 | 2 | 7 | 1 | 2 | 133 | Essex-VT (44.45, 71.70) | Coos-NH (45.31, 71.08) | Grafton-NH (43.60, 72.33) |
7 | 2786 | 9 | 1 | 7 | 1 | 4 | 112 | Pennington-SD (44.12, 102.99) | Pennington-SD (44.51, 102.00) | Pennington-SD (43.85, 104.06) |
8 | 2535 | 5 | 2 | 2 | 2 | 9 | 87 | Essex-NY (44.24, 73.58) | Essex-NY (43.92, 74.34) | Chittenden-VT (44.55, 72.81) |
9 | 1891 | 5 | 2 | 2 | 2 | 8 | 89 | Berkshire-MA (42.10, 73.17) | Berkshire-MA (42.74, 73.02) | Litchfield-CT (41.47, 73.31) |
10 | 1707 | 4 | 3 | 2 | 2 | 10 | 60 | Blount-TN (35.67, 83.67) | Swain-NC (35.55, 83.16) | Blount-TN (35.80, 84.17) |
11 | 1218 | 9 | 1 | 7 | 1 | 11 | 59 | Slope-ND (46.45, 103.49) | Slope-ND (46.63, 102.93) | Slope-ND (46.28, 104.05) |
12 | 1134 | 2 | 4 | 2 | 2 | 12 | 58 | Carter-TN (36.11, 82.13) | Carter-TN (36.51, 81.99) | Yancey-NC (35.70, 82.27) |
13 | 953 | 9 | 1 | 7 | 1 | 14 | 44 | Kimball-NE (41.20, 103.72) | Kimball-NE (41.00, 104.05) | Kimball-NE (41.39, 103.38) |
14 | 915 | 9 | 1 | 7 | 1 | 15 | 43 | Wallace-KS (38.92, 101.76) | Wallace-KS (39.14, 101.48) | Wallace-KS (38.70, 102.05) |
15 | 892 | 5 | 2 | 2 | 2 | 13 | 56 | Pickens-SC (35.02, 82.80) | Pickens-SC (34.62, 82.85) | Transylvania-NC (35.42, 82.75) |
16 | 494 | 9 | 1 | 7 | 1 | 16 | 40 | New Castle-DE (39.56, 75.61) | New Castle-DE (39.83, 75.47) | New Castle-DE (39.30, 75.76) |
17 | 467 | 9 | 1 | 7 | 1 | 17 | 31 | Logan-OH (40.38, 83.77) | Logan-OH (40.23, 83.55) | Logan-OH (40.54, 83.99) |
18 | 405 | 9 | 1 | 7 | 1 | 18 | 28 | Wayne-IN (39.87, 85.01) | Wayne-IN (40.01, 84.81) | Wayne-IN (39.72, 85.19) |