| Forfar to Frederick (Maryland) | 3,449.13 mi (5,550.84 km) |
| Forfar to Fredericksburg (Texas) | 4,711.77 mi (7,582.86 km) |
| Forfar to Fredericksburg (Virginia) | 3,508.70 mi (5,646.71 km) |
| Forfar to Frederickson (Washington) | 4,469.22 mi (7,192.51 km) |
| Forfar to Freeport (Illinois) | 3,744.08 mi (6,025.51 km) |
| Forfar to Freeport (New York) | 3,247.15 mi (5,225.78 km) |
| Forfar to Freeport (Texas) | 4,660.30 mi (7,500.02 km) |
| Forfar to Fremont (California) | 5,025.70 mi (8,088.08 km) |
| Forfar to Fremont (Nebraska) | 4,021.33 mi (6,471.71 km) |
| Forfar to Fremont (Ohio) | 3,561.26 mi (5,731.29 km) |
| Forfar to French Valley (California) | 5,118.15 mi (8,236.86 km) |
| Forfar to Fresno (California) | 5,008.57 mi (8,060.51 km) |
| Forfar to Fresno (Texas) | 4,631.46 mi (7,453.62 km) |
| Forfar to Fridley (Minnesota) | 3,725.20 mi (5,995.12 km) |
| Forfar to Friendly (Maryland) | 3,466.14 mi (5,578.21 km) |
