| River Ridge to Fortuna (California) | 2,034.15 mi (3,273.64 km) |
| River Ridge to Fortuna Foothills (Arizona) | 1,436.21 mi (2,311.36 km) |
| River Ridge to Foster City (California) | 1,903.86 mi (3,063.96 km) |
| River Ridge to Fostoria (Ohio) | 862.62 mi (1,388.25 km) |
| River Ridge to Fountain (Colorado) | 1,020.06 mi (1,641.62 km) |
| River Ridge to Fountain Hills (Arizona) | 1,286.29 mi (2,070.09 km) |
| River Ridge to Fountain Inn (South Carolina) | 571.04 mi (919.00 km) |
| River Ridge to Fountain Valley (California) | 1,643.26 mi (2,644.57 km) |
| River Ridge to Fountainebleau (Florida) | 668.55 mi (1,075.93 km) |
| River Ridge to Four Corners (Oregon) | 2,052.79 mi (3,303.65 km) |
| River Ridge to Four Corners (Texas) | 326.66 mi (525.71 km) |
| River Ridge to Four Square Mile (Colorado) | 1,066.80 mi (1,716.84 km) |
| River Ridge to Fox Crossing (Wisconsin) | 990.12 mi (1,593.45 km) |
| River Ridge to Fox Lake (Illinois) | 868.59 mi (1,397.87 km) |
| River Ridge to Framingham (Massachusetts) | 1,346.16 mi (2,166.43 km) |
