| Effingham to Fortuna Foothills (Arizona) | 1,508.04 mi (2,426.96 km) |
| Effingham to Foster City (California) | 1,819.87 mi (2,928.80 km) |
| Effingham to Fostoria (Ohio) | 305.76 mi (492.07 km) |
| Effingham to Fountain (Colorado) | 866.76 mi (1,394.91 km) |
| Effingham to Fountain Hills (Arizona) | 1,341.00 mi (2,158.13 km) |
| Effingham to Fountain Inn (South Carolina) | 464.98 mi (748.31 km) |
| Effingham to Fountain Valley (California) | 1,669.08 mi (2,686.12 km) |
| Effingham to Fountainebleau (Florida) | 1,037.81 mi (1,670.19 km) |
| Effingham to Four Corners (Oregon) | 1,797.41 mi (2,892.65 km) |
| Effingham to Four Corners (Texas) | 767.86 mi (1,235.76 km) |
| Effingham to Four Square Mile (Colorado) | 871.89 mi (1,403.18 km) |
| Effingham to Fox Crossing (Wisconsin) | 352.56 mi (567.38 km) |
| Effingham to Fox Lake (Illinois) | 229.05 mi (368.61 km) |
| Effingham to Framingham (Massachusetts) | 921.20 mi (1,482.53 km) |
| Effingham to Franconia (Virginia) | 612.27 mi (985.36 km) |
