| Catonsville to Fenton | 3,523.84 mi (5,671.07 km) |
| Catonsville to Fern Down | 3,578.79 mi (5,759.51 km) |
| Catonsville to Ferryhill | 3,516.00 mi (5,658.45 km) |
| Catonsville to Finchley | 3,632.13 mi (5,845.36 km) |
| Catonsville to Fleet | 3,612.11 mi (5,813.13 km) |
| Catonsville to Fleetwood | 3,472.88 mi (5,589.07 km) |
| Catonsville to Flint | 3,480.11 mi (5,600.70 km) |
| Catonsville to Flitwick | 3,610.81 mi (5,811.04 km) |
| Catonsville to Flixton | 3,506.04 mi (5,642.43 km) |
| Catonsville to Folkestone | 3,699.03 mi (5,953.02 km) |
| Catonsville to Forfar | 3,432.70 mi (5,524.40 km) |
| Catonsville to Formby | 3,477.23 mi (5,596.06 km) |
| Catonsville to Forres | 3,391.95 mi (5,458.82 km) |
| Catonsville to Fort William | 3,347.99 mi (5,388.06 km) |
| Catonsville to Fraserburgh | 3,449.14 mi (5,550.86 km) |
