| Donegal to Reichenbach/Vogtland | 896.38 mi (1,442.58 km) |
| Donegal to Reinbek | 746.14 mi (1,200.79 km) |
| Donegal to Reinfeld | 750.61 mi (1,207.99 km) |
| Donegal to Reinheim | 787.91 mi (1,268.02 km) |
| Donegal to Reiskirchen | 761.44 mi (1,225.42 km) |
| Donegal to Rellingen | 726.69 mi (1,169.49 km) |
| Donegal to Remagen | 700.57 mi (1,127.46 km) |
| Donegal to Remscheid | 679.70 mi (1,093.87 km) |
| Donegal to Rendsburg | 712.16 mi (1,146.11 km) |
| Donegal to Renningen | 832.39 mi (1,339.60 km) |
| Donegal to Reutlingen | 854.30 mi (1,374.86 km) |
| Donegal to Rhaude | 644.19 mi (1,036.72 km) |
| Donegal to Rheda-Wiedenbruck | 703.85 mi (1,132.74 km) |
| Donegal to Rhede | 641.21 mi (1,031.93 km) |
| Donegal to Rheinau | 799.73 mi (1,287.04 km) |
