| Potomac to Fenton | 3,553.43 mi (5,718.69 km) |
| Potomac to Fern Down | 3,608.50 mi (5,807.32 km) |
| Potomac to Ferryhill | 3,545.44 mi (5,705.83 km) |
| Potomac to Finchley | 3,661.79 mi (5,893.08 km) |
| Potomac to Fleet | 3,641.79 mi (5,860.89 km) |
| Potomac to Fleetwood | 3,502.41 mi (5,636.59 km) |
| Potomac to Flint | 3,509.69 mi (5,648.31 km) |
| Potomac to Flitwick | 3,640.44 mi (5,858.72 km) |
| Potomac to Flixton | 3,535.60 mi (5,690.00 km) |
| Potomac to Folkestone | 3,728.70 mi (6,000.76 km) |
| Potomac to Forfar | 3,461.95 mi (5,571.47 km) |
| Potomac to Formby | 3,506.79 mi (5,643.63 km) |
| Potomac to Forres | 3,421.08 mi (5,505.70 km) |
| Potomac to Fort William | 3,377.24 mi (5,435.15 km) |
| Potomac to Fraserburgh | 3,478.24 mi (5,597.69 km) |
