| River Falls to Fortuna (California) | 1,616.23 mi (2,601.07 km) |
| River Falls to Fortuna Foothills (Arizona) | 1,436.88 mi (2,312.44 km) |
| River Falls to Foster City (California) | 1,610.86 mi (2,592.43 km) |
| River Falls to Fostoria (Ohio) | 530.60 mi (853.92 km) |
| River Falls to Fountain (Colorado) | 752.34 mi (1,210.78 km) |
| River Falls to Fountain Hills (Arizona) | 1,279.48 mi (2,059.12 km) |
| River Falls to Fountain Inn (South Carolina) | 892.49 mi (1,436.32 km) |
| River Falls to Fountain Valley (California) | 1,548.70 mi (2,492.39 km) |
| River Falls to Fountainebleau (Florida) | 1,485.56 mi (2,390.78 km) |
| River Falls to Four Corners (Oregon) | 1,476.68 mi (2,376.49 km) |
| River Falls to Four Corners (Texas) | 1,062.53 mi (1,709.97 km) |
| River Falls to Four Square Mile (Colorado) | 720.83 mi (1,160.07 km) |
| River Falls to Fox Crossing (Wisconsin) | 208.97 mi (336.30 km) |
| River Falls to Fox Lake (Illinois) | 278.57 mi (448.32 km) |
| River Falls to Framingham (Massachusetts) | 1,071.81 mi (1,724.91 km) |
