| Thornton to Somersworth (New Hampshire) | 3,110.79 mi (5,006.33 km) |
| Thornton to Somerton (Arizona) | 5,252.94 mi (8,453.78 km) |
| Thornton to Somerville (Massachusetts) | 3,156.87 mi (5,080.49 km) |
| Thornton to Somerville (New Jersey) | 3,376.64 mi (5,434.17 km) |
| Thornton to Sonoma (California) | 5,161.28 mi (8,306.27 km) |
| Thornton to Soquel (California) | 5,222.38 mi (8,404.62 km) |
| Thornton to South Bend (Indiana) | 3,771.87 mi (6,070.24 km) |
| Thornton to South Bradenton (Florida) | 4,341.71 mi (6,987.30 km) |
| Thornton to South Burlington (Vermont) | 3,149.65 mi (5,068.87 km) |
| Thornton to South Charleston (West Virginia) | 3,758.92 mi (6,049.39 km) |
| Thornton to South Daytona (Florida) | 4,189.94 mi (6,743.06 km) |
| Thornton to South El Monte (California) | 5,276.56 mi (8,491.80 km) |
| Thornton to South Elgin (Illinois) | 3,832.40 mi (6,167.65 km) |
| Thornton to South Euclid (Ohio) | 3,600.34 mi (5,794.19 km) |
| Thornton to South Farmingdale (New York) | 3,324.14 mi (5,349.69 km) |
