| Thornton Heath to Fortuna Foothills (Arizona) | 5,398.12 mi (8,687.44 km) |
| Thornton Heath to Foster City (California) | 5,368.20 mi (8,639.28 km) |
| Thornton Heath to Fostoria (Ohio) | 3,821.52 mi (6,150.15 km) |
| Thornton Heath to Fountain (Colorado) | 4,735.10 mi (7,620.41 km) |
| Thornton Heath to Fountain Hills (Arizona) | 5,254.72 mi (8,456.66 km) |
| Thornton Heath to Fountain Inn (South Carolina) | 4,074.54 mi (6,557.34 km) |
| Thornton Heath to Fountain Valley (California) | 5,456.16 mi (8,780.84 km) |
| Thornton Heath to Fountainebleau (Florida) | 4,436.51 mi (7,139.87 km) |
| Thornton Heath to Four Corners (Oregon) | 4,961.27 mi (7,984.38 km) |
| Thornton Heath to Four Corners (Texas) | 4,868.48 mi (7,835.05 km) |
| Thornton Heath to Four Square Mile (Colorado) | 4,690.15 mi (7,548.06 km) |
| Thornton Heath to Fox Crossing (Wisconsin) | 3,875.83 mi (6,237.55 km) |
| Thornton Heath to Fox Lake (Illinois) | 3,947.53 mi (6,352.93 km) |
| Thornton Heath to Framingham (Massachusetts) | 3,291.70 mi (5,297.48 km) |
| Thornton Heath to Franconia (Virginia) | 3,678.97 mi (5,920.73 km) |
