| Ub to Fortuna Foothills (Arizona) | 6,388.82 mi (10,281.81 km) |
| Ub to Foster City (California) | 6,302.04 mi (10,142.15 km) |
| Ub to Fostoria (Ohio) | 4,863.41 mi (7,826.90 km) |
| Ub to Fountain (Colorado) | 5,741.65 mi (9,240.30 km) |
| Ub to Fountain Hills (Arizona) | 6,252.93 mi (10,063.12 km) |
| Ub to Fountain Inn (South Carolina) | 5,119.86 mi (8,239.62 km) |
| Ub to Fountain Valley (California) | 6,427.39 mi (10,343.89 km) |
| Ub to Fountainebleau (Florida) | 5,468.51 mi (8,800.72 km) |
| Ub to Four Corners (Oregon) | 5,858.76 mi (9,428.77 km) |
| Ub to Four Corners (Texas) | 5,911.64 mi (9,513.87 km) |
| Ub to Four Square Mile (Colorado) | 5,692.82 mi (9,161.70 km) |
| Ub to Fox Crossing (Wisconsin) | 4,904.97 mi (7,893.78 km) |
| Ub to Fox Lake (Illinois) | 4,981.50 mi (8,016.94 km) |
| Ub to Framingham (Massachusetts) | 4,337.15 mi (6,979.97 km) |
| Ub to Franconia (Virginia) | 4,724.40 mi (7,603.19 km) |
