area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 288648 | 1 | 80 | 1 | 4 | 1 | 994 | Esmeralda-NV (38.09, 118.12) | Yuma-AZ (32.04, 113.33) | Coos-OR (43.61, 124.22) |
2 | 4380 | 10 | 1 | 6 | 1 | 4 | 115 | Piscataquis-ME (45.80, 69.27) | Piscataquis-ME (45.01, 69.62) | Piscataquis-ME (46.57, 68.82) |
3 | 4227 | 10 | 1 | 6 | 1 | 7 | 102 | Teton-WY (43.97, 110.67) | Teton-WY (43.38, 110.06) | Teton-WY (44.67, 111.06) |
4 | 3611 | 2 | 4 | 6 | 1 | 6 | 103 | Park-CO (39.31, 105.88) | Summit-CO (39.92, 106.43) | Park-CO (38.70, 105.33) |
5 | 3580 | 4 | 2 | 6 | 1 | 2 | 133 | Essex-VT (44.45, 71.70) | Coos-NH (45.31, 71.08) | Grafton-NH (43.60, 72.33) |
6 | 3300 | 10 | 1 | 6 | 1 | 8 | 94 | Iron-UT (37.88, 113.27) | Iron-UT (38.15, 112.48) | Iron-UT (37.60, 114.05) |
7 | 2570 | 3 | 3 | 2 | 3 | 3 | 129 | Berkshire-MA (42.39, 73.09) | Bennington-VT (43.30, 72.82) | Litchfield-CT (41.47, 73.31) |
8 | 2535 | 4 | 2 | 3 | 2 | 9 | 87 | Essex-NY (44.24, 73.58) | Essex-NY (43.92, 74.34) | Chittenden-VT (44.55, 72.81) |
9 | 2467 | 10 | 1 | 6 | 1 | 5 | 108 | Wayne-UT (38.30, 110.87) | Wayne-UT (38.42, 111.85) | Wayne-UT (38.19, 109.89) |
10 | 2415 | 4 | 2 | 6 | 1 | 13 | 76 | Clackamas-OR (45.38, 122.10) | Clackamas-OR (45.13, 122.79) | Hood River-OR (45.70, 121.44) |
11 | 2256 | 10 | 1 | 6 | 1 | 10 | 85 | Hancock-ME (44.69, 68.40) | Hancock-ME (44.12, 68.73) | Hancock-ME (45.26, 68.06) |
12 | 2204 | 10 | 1 | 6 | 1 | 15 | 73 | Taos-NM (36.55, 105.61) | Taos-NM (36.02, 105.51) | Taos-NM (37.00, 106.01) |
13 | 2130 | 10 | 1 | 6 | 1 | 16 | 67 | El Paso-CO (38.83, 104.54) | El Paso-CO (38.52, 104.05) | El Paso-CO (39.13, 105.03) |
14 | 1806 | 10 | 1 | 6 | 1 | 12 | 77 | Pierce-WA (47.10, 122.12) | Pierce-WA (47.40, 122.80) | Pierce-WA (46.79, 121.44) |
15 | 1744 | 4 | 2 | 3 | 2 | 11 | 84 | Somerset-PA (39.73, 79.08) | Somerset-PA (40.24, 78.66) | Garrett-MD (39.21, 79.49) |
16 | 1485 | 10 | 1 | 6 | 1 | 14 | 73 | Carbon-UT (39.76, 110.56) | Carbon-UT (39.70, 111.25) | Carbon-UT (39.79, 109.87) |
17 | 1160 | 10 | 1 | 6 | 1 | 19 | 52 | Ulster-NY (41.87, 74.30) | Ulster-NY (41.59, 73.95) | Ulster-NY (42.02, 74.78) |
18 | 1150 | 10 | 1 | 6 | 1 | 17 | 55 | Walton-FL (30.63, 86.19) | Walton-FL (30.27, 86.00) | Walton-FL (30.99, 86.39) |
19 | 1138 | 4 | 2 | 3 | 2 | 18 | 53 | Sevier-TN (35.66, 83.59) | Sevier-TN (36.04, 83.66) | Swain-NC (35.28, 83.68) |
20 | 740 | 10 | 1 | 6 | 1 | 22 | 40 | Boulder-CO (40.10, 105.38) | Boulder-CO (39.94, 105.69) | Boulder-CO (40.26, 105.06) |
21 | 698 | 10 | 1 | 6 | 1 | 25 | 38 | Pendleton-WV (38.68, 79.33) | Pendleton-WV (38.96, 79.35) | Pendleton-WV (38.41, 79.31) |
22 | 561 | 10 | 1 | 6 | 1 | 20 | 44 | Cleburne-AL (33.69, 85.60) | Cleburne-AL (33.96, 85.40) | Cleburne-AL (33.47, 85.89) |
23 | 537 | 10 | 1 | 6 | 1 | 27 | 34 | Sussex-NJ (41.14, 74.68) | Sussex-NJ (41.09, 74.99) | Sussex-NJ (41.20, 74.37) |
24 | 512 | 10 | 1 | 6 | 1 | 26 | 35 | Pickens-SC (34.85, 82.72) | Pickens-SC (34.62, 82.85) | Pickens-SC (35.07, 82.57) |
25 | 501 | 4 | 2 | 6 | 1 | 21 | 42 | Union-GA (34.82, 83.85) | Union-GA (34.65, 84.16) | Towns-GA (34.99, 83.55) |
26 | 494 | 10 | 1 | 6 | 1 | 23 | 40 | New Castle-DE (39.56, 75.61) | New Castle-DE (39.83, 75.47) | New Castle-DE (39.30, 75.76) |
27 | 444 | 10 | 1 | 6 | 1 | 24 | 39 | Tishomingo-MS (34.73, 88.26) | Tishomingo-MS (34.46, 88.16) | Tishomingo-MS (35.00, 88.36) |
28 | 435 | 10 | 1 | 6 | 1 | 28 | 30 | Providence-RI (41.87, 71.58) | Providence-RI (42.01, 71.80) | Providence-RI (41.78, 71.32) |
29 | 344 | 10 | 1 | 6 | 1 | 30 | 25 | Cobb-GA (33.94, 84.58) | Cobb-GA (33.81, 84.72) | Cobb-GA (34.07, 84.42) |
30 | 313 | 10 | 1 | 6 | 1 | 29 | 28 | Yancey-NC (35.89, 82.33) | Yancey-NC (36.08, 82.40) | Yancey-NC (35.70, 82.26) |
31 | 143 | 10 | 1 | 6 | 1 | 31 | 23 | Philadelphia-PA (40.00, 75.11) | Philadelphia-PA (40.12, 74.96) | Philadelphia-PA (39.88, 75.26) |
floating glob radius (miles) | center county and point | county 1 and point | county 2 and point | county 3 and point |
1 | 158 | Fresno-CA (36.94, 118.75) | Lander-NV (39.09, 117.78) | Pacific Ocean (35.43, 120.89) | Lincoln-NV (36.98, 115.89) |
2 | 22 | Piscataquis-ME (46.12, 69.28) | Somerset-ME (45.98, 69.68) | Penobscot-ME (46.12, 68.82) | Somerset-ME (46.12, 69.73) |
3 | 25 | Teton-WY (43.71, 110.55) | Sublette-WY (43.38, 110.34) | Fremont-WY (43.71, 110.05) | Teton-ID (43.71, 111.05) |
4 | 23 | Park-CO (39.24, 105.82) | Eagle-CO (39.39, 106.20) | Chaffee-CO (38.99, 106.11) | Jefferson-CO (39.24, 105.40) |
5 | 16 | Grafton-NH (44.09, 71.71) | Carroll-NH (44.17, 71.41) | Orange-VT (44.10, 72.03) | Carroll-NH (43.89, 71.56) |
6 | 22 | Iron-UT (37.83, 113.10) | Washington-UT (37.53, 113.25) | Garfield-UT (37.81, 112.69) | Beaver-UT (38.15, 113.09) |
7 | 13 | Litchfield-CT (41.73, 73.26) | Hartford-CT (41.76, 73.01) | Dutchess-NY (41.74, 73.51) | Fairfield-CT (41.65, 73.48) |
8 | 17 | Essex-NY (44.02, 73.78) | Addison-VT (44.04, 73.44) | Franklin-NY (44.14, 74.09) | Warren-NY (43.78, 73.74) |
9 | 12 | Wayne-UT (38.33, 111.46) | Garfield-UT (38.15, 111.46) | Garfield-UT (38.15, 111.41) | Sevier-UT (38.51, 111.46) |
10 | 20 | Clackamas-OR (45.17, 122.25) | Marion-OR (45.02, 122.60) | Marion-OR (44.89, 122.25) | Multnomah-OR (45.46, 122.25) |
11 | 19 | Hancock-ME (44.49, 68.40) | Atlantic Ocean (44.39, 68.04) | Penobscot-ME (44.76, 68.48) | Waldo-ME (44.49, 68.79) |
12 | 17 | Taos-NM (36.75, 105.67) | Colfax-NM (36.68, 105.37) | Costilla-CO (37.00, 105.67) | Rio Arriba-NM (36.72, 105.98) |
13 | 21 | El Paso-CO (38.82, 104.55) | Elbert-CO (39.13, 104.55) | Teller-CO (38.80, 104.94) | Pueblo-CO (38.52, 104.55) |
14 | 14 | Pierce-WA (46.96, 122.07) | King-WA (47.14, 121.94) | Thurston-WA (46.83, 122.30) | Lewis-WA (46.75, 122.08) |
15 | 15 | Somerset-PA (39.91, 79.05) | Allegany-MD (39.72, 78.91) | Westmoreland-PA (40.11, 79.18) | Westmoreland-PA (40.05, 79.28) |
16 | 12 | Carbon-UT (39.64, 110.91) | Utah-UT (39.81, 110.91) | Emery-UT (39.61, 111.13) | Emery-UT (39.47, 110.91) |
17 | 13 | Ulster-NY (41.82, 74.21) | Sullivan-NY (41.88, 74.45) | Orange-NY (41.63, 74.26) | Dutchess-NY (41.80, 73.95) |
18 | 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) |
19 | 12 | Sevier-TN (35.62, 83.45) | Cocke-TN (35.71, 83.28) | Blount-TN (35.62, 83.66) | Jackson-NC (35.47, 83.35) |
20 | 12 | Boulder-CO (40.09, 105.29) | Gilpin-CO (39.93, 105.40) | Jefferson-CO (39.91, 105.29) | Larimer-CO (40.26, 105.28) |
21 | 12 | Pendleton-WV (38.65, 79.36) | Highland-VA (38.55, 79.54) | Rockingham-VA (38.60, 79.16) | Randolph-WV (38.75, 79.54) |
22 | 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) |
23 | 10 | Sussex-NJ (41.17, 74.67) | Pike-PA (41.22, 74.86) | Morris-NJ (41.07, 74.52) | Orange-NY (41.30, 74.57) |
24 | 11 | Pickens-SC (34.89, 82.71) | Greenville-SC (35.01, 82.59) | Oconee-SC (34.90, 82.90) | Anderson-SC (34.76, 82.62) |
25 | 9 | Union-GA (34.86, 83.96) | Fannin-GA (34.89, 84.11) | Lumpkin-GA (34.74, 83.94) | Clay-NC (34.99, 83.96) |
26 | 7 | New Castle-DE (39.71, 75.64) | Salem-NJ (39.65, 75.54) | Salem-NJ (39.69, 75.51) | Chester-PA (39.77, 75.74) |
27 | 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) |
28 | 10 | Providence-RI (41.87, 71.57) | Worcester-MA (42.01, 71.58) | Kent-RI (41.73, 71.56) | Bristol-MA (41.89, 71.38) |
29 | 8 | Cobb-GA (33.96, 84.58) | Fulton-GA (33.91, 84.45) | Cherokee-GA (34.08, 84.58) | Paulding-GA (33.95, 84.72) |
30 | 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) |
31 | 3 | Philadelphia-PA (40.01, 75.15) | Montgomery-PA (40.01, 75.21) | Camden-NJ (39.97, 75.11) | Montgomery-PA (40.05, 75.11) |