| Risca to Fortuna Foothills (Arizona) | 5,287.40 mi (8,509.25 km) |
| Risca to Foster City (California) | 5,268.18 mi (8,478.31 km) |
| Risca to Fostoria (Ohio) | 3,698.25 mi (5,951.76 km) |
| Risca to Fountain (Colorado) | 4,621.53 mi (7,437.64 km) |
| Risca to Fountain Hills (Arizona) | 5,142.57 mi (8,276.16 km) |
| Risca to Fountain Inn (South Carolina) | 3,947.72 mi (6,353.25 km) |
| Risca to Fountain Valley (California) | 5,349.18 mi (8,608.68 km) |
| Risca to Fountainebleau (Florida) | 4,307.54 mi (6,932.32 km) |
| Risca to Four Corners (Oregon) | 4,868.29 mi (7,834.76 km) |
| Risca to Four Corners (Texas) | 4,744.39 mi (7,635.36 km) |
| Risca to Four Square Mile (Colorado) | 4,577.48 mi (7,366.74 km) |
| Risca to Fox Crossing (Wisconsin) | 3,757.06 mi (6,046.40 km) |
| Risca to Fox Lake (Illinois) | 3,827.22 mi (6,159.32 km) |
| Risca to Framingham (Massachusetts) | 3,165.08 mi (5,093.71 km) |
| Risca to Franconia (Virginia) | 3,552.31 mi (5,716.90 km) |
