| Sulphur to Fortuna (California) | 1,863.43 mi (2,998.91 km) |
| Sulphur to Fortuna Foothills (Arizona) | 1,249.52 mi (2,010.91 km) |
| Sulphur to Foster City (California) | 1,725.73 mi (2,777.30 km) |
| Sulphur to Fostoria (Ohio) | 937.64 mi (1,508.98 km) |
| Sulphur to Fountain (Colorado) | 869.35 mi (1,399.08 km) |
| Sulphur to Fountain Hills (Arizona) | 1,101.50 mi (1,772.69 km) |
| Sulphur to Fountain Inn (South Carolina) | 719.38 mi (1,157.73 km) |
| Sulphur to Fountain Valley (California) | 1,457.96 mi (2,346.35 km) |
| Sulphur to Fountainebleau (Florida) | 850.65 mi (1,368.99 km) |
| Sulphur to Four Corners (Oregon) | 1,897.18 mi (3,053.22 km) |
| Sulphur to Four Corners (Texas) | 143.16 mi (230.40 km) |
| Sulphur to Four Square Mile (Colorado) | 922.00 mi (1,483.81 km) |
| Sulphur to Fox Crossing (Wisconsin) | 1,002.99 mi (1,614.16 km) |
| Sulphur to Fox Lake (Illinois) | 889.97 mi (1,432.27 km) |
| Sulphur to Framingham (Massachusetts) | 1,471.99 mi (2,368.94 km) |
