| Effingham to Somersworth (New Hampshire) | 959.77 mi (1,544.60 km) |
| Effingham to Somerton (Arizona) | 1,525.78 mi (2,455.50 km) |
| Effingham to Somerville (Massachusetts) | 938.96 mi (1,511.10 km) |
| Effingham to Somerville (New Jersey) | 745.53 mi (1,199.81 km) |
| Effingham to Sonoma (California) | 1,818.53 mi (2,926.65 km) |
| Effingham to Soquel (California) | 1,812.57 mi (2,917.06 km) |
| Effingham to South Bend (Indiana) | 213.53 mi (343.64 km) |
| Effingham to South Bradenton (Florida) | 875.68 mi (1,409.27 km) |
| Effingham to South Burlington (Vermont) | 869.90 mi (1,399.97 km) |
| Effingham to South Charleston (West Virginia) | 372.23 mi (599.04 km) |
| Effingham to South Daytona (Florida) | 811.21 mi (1,305.51 km) |
| Effingham to South El Monte (California) | 1,665.84 mi (2,680.91 km) |
| Effingham to South Elgin (Illinois) | 198.70 mi (319.77 km) |
| Effingham to South Euclid (Ohio) | 405.52 mi (652.61 km) |
| Effingham to South Farmingdale (New York) | 806.90 mi (1,298.58 km) |
