| Rockford to Fenton | 3,860.12 mi (6,212.26 km) |
| Rockford to Fern Down | 3,939.65 mi (6,340.26 km) |
| Rockford to Ferryhill | 3,830.23 mi (6,164.16 km) |
| Rockford to Finchley | 3,978.82 mi (6,403.30 km) |
| Rockford to Fleet | 3,964.40 mi (6,380.08 km) |
| Rockford to Fleetwood | 3,800.38 mi (6,116.11 km) |
| Rockford to Flint | 3,816.10 mi (6,141.42 km) |
| Rockford to Flitwick | 3,953.83 mi (6,363.08 km) |
| Rockford to Flixton | 3,837.61 mi (6,176.03 km) |
| Rockford to Folkestone | 4,047.27 mi (6,513.45 km) |
| Rockford to Forfar | 3,725.80 mi (5,996.10 km) |
| Rockford to Formby | 3,809.28 mi (6,130.45 km) |
| Rockford to Forres | 3,674.16 mi (5,913.00 km) |
| Rockford to Fort William | 3,643.79 mi (5,864.11 km) |
| Rockford to Fraserburgh | 3,726.65 mi (5,997.46 km) |
