| Donegal to Rodgau | 783.14 mi (1,260.35 km) |
| Donegal to Roding | 951.72 mi (1,531.65 km) |
| Donegal to Rodinghausen | 700.65 mi (1,127.58 km) |
| Donegal to Roetgen | 658.96 mi (1,060.50 km) |
| Donegal to Rommerskirchen | 664.77 mi (1,069.85 km) |
| Donegal to Ronnenberg | 745.80 mi (1,200.24 km) |
| Donegal to Rosbach vor der Hohe | 766.37 mi (1,233.36 km) |
| Donegal to Rosdorf | 776.19 mi (1,249.16 km) |
| Donegal to Rosenheim | 988.65 mi (1,591.08 km) |
| Donegal to Rosrath | 688.04 mi (1,107.30 km) |
| Donegal to Rossdorf | 783.92 mi (1,261.60 km) |
| Donegal to Rosstal | 881.67 mi (1,418.91 km) |
| Donegal to Rostock | 812.95 mi (1,308.31 km) |
| Donegal to Rotenburg an der Fulda | 783.88 mi (1,261.54 km) |
| Donegal to Roth | 895.22 mi (1,440.72 km) |
