| Opelika to Fortuna (California) | 2,199.25 mi (3,539.36 km) |
| Opelika to Fortuna Foothills (Arizona) | 1,682.71 mi (2,708.07 km) |
| Opelika to Foster City (California) | 2,098.68 mi (3,377.49 km) |
| Opelika to Fostoria (Ohio) | 597.11 mi (960.95 km) |
| Opelika to Fountain (Colorado) | 1,158.03 mi (1,863.67 km) |
| Opelika to Fountain Hills (Arizona) | 1,522.60 mi (2,450.38 km) |
| Opelika to Fountain Inn (South Carolina) | 230.58 mi (371.08 km) |
| Opelika to Fountain Valley (California) | 1,877.17 mi (3,021.01 km) |
| Opelika to Fountainebleau (Florida) | 564.24 mi (908.05 km) |
| Opelika to Four Corners (Oregon) | 2,170.78 mi (3,493.53 km) |
| Opelika to Four Corners (Texas) | 641.74 mi (1,032.78 km) |
| Opelika to Four Square Mile (Colorado) | 1,188.13 mi (1,912.11 km) |
| Opelika to Fox Crossing (Wisconsin) | 816.08 mi (1,313.35 km) |
| Opelika to Fox Lake (Illinois) | 691.73 mi (1,113.24 km) |
| Opelika to Framingham (Massachusetts) | 1,011.71 mi (1,628.18 km) |
