| Donegal to Friesoythe | 659.26 mi (1,060.97 km) |
| Donegal to Fritzlar | 762.38 mi (1,226.93 km) |
| Donegal to Frohburg | 893.57 mi (1,438.07 km) |
| Donegal to Frondenberg | 693.09 mi (1,115.42 km) |
| Donegal to Fulda | 795.68 mi (1,280.52 km) |
| Donegal to Fuldabruck | 766.33 mi (1,233.29 km) |
| Donegal to Fuldatal | 765.66 mi (1,232.21 km) |
| Donegal to Furstenau | 662.19 mi (1,065.70 km) |
| Donegal to Furstenfeldbruck | 942.49 mi (1,516.80 km) |
| Donegal to Furstenwalde | 920.78 mi (1,481.85 km) |
| Donegal to Furth | 792.45 mi (1,275.33 km) |
| Donegal to Furth | 883.75 mi (1,422.26 km) |
| Donegal to Furth im Wald | 960.35 mi (1,545.54 km) |
| Donegal to Furtwangen im Schwarzwald | 836.00 mi (1,345.41 km) |
| Donegal to Fussen | 947.19 mi (1,524.36 km) |
