| Unterwellenborn to Frederick (Maryland) | 4,140.95 mi (6,664.22 km) |
| Unterwellenborn to Fredericksburg (Texas) | 5,422.54 mi (8,726.73 km) |
| Unterwellenborn to Fredericksburg (Virginia) | 4,197.44 mi (6,755.13 km) |
| Unterwellenborn to Frederickson (Washington) | 5,145.49 mi (8,280.87 km) |
| Unterwellenborn to Freeport (Illinois) | 4,457.49 mi (7,173.63 km) |
| Unterwellenborn to Freeport (New York) | 3,934.17 mi (6,331.43 km) |
| Unterwellenborn to Freeport (Texas) | 5,364.87 mi (8,633.92 km) |
| Unterwellenborn to Fremont (California) | 5,720.33 mi (9,205.98 km) |
| Unterwellenborn to Fremont (Nebraska) | 4,736.94 mi (7,623.37 km) |
| Unterwellenborn to Fremont (Ohio) | 4,267.18 mi (6,867.36 km) |
| Unterwellenborn to French Valley (California) | 5,826.12 mi (9,376.24 km) |
| Unterwellenborn to Fresno (California) | 5,708.62 mi (9,187.14 km) |
| Unterwellenborn to Fresno (Texas) | 5,337.02 mi (8,589.10 km) |
| Unterwellenborn to Fridley (Minnesota) | 4,440.88 mi (7,146.91 km) |
| Unterwellenborn to Friendly (Maryland) | 4,155.03 mi (6,686.88 km) |
