| Witham to Security-Widefield (Colorado) | 4,742.80 mi (7,632.80 km) |
| Witham to Sedalia (Missouri) | 4,331.41 mi (6,970.73 km) |
| Witham to Sedro-Woolley (Washington) | 4,733.74 mi (7,618.22 km) |
| Witham to Seguin (Texas) | 4,980.77 mi (8,015.78 km) |
| Witham to Selden (New York) | 3,440.11 mi (5,536.31 km) |
| Witham to Selma (Alabama) | 4,403.86 mi (7,087.32 km) |
| Witham to Selma (California) | 5,348.42 mi (8,607.46 km) |
| Witham to Selma (Texas) | 4,994.23 mi (8,037.44 km) |
| Witham to Seminole (Florida) | 4,460.16 mi (7,177.94 km) |
| Witham to Seven Hills (Ohio) | 3,761.39 mi (6,053.37 km) |
| Witham to Seven Oaks (South Carolina) | 4,084.86 mi (6,573.94 km) |
| Witham to Severn (Maryland) | 3,665.12 mi (5,898.44 km) |
| Witham to Severna Park (Maryland) | 3,662.18 mi (5,893.71 km) |
| Witham to Sevierville (Tennessee) | 4,094.03 mi (6,588.71 km) |
| Witham to Seymour (Indiana) | 4,039.13 mi (6,500.36 km) |
