| Grevena to Rodgau | 917.23 mi (1,476.13 km) |
| Grevena to Roding | 765.99 mi (1,232.74 km) |
| Grevena to Rodinghausen | 1,041.03 mi (1,675.38 km) |
| Grevena to Roetgen | 1,035.03 mi (1,665.71 km) |
| Grevena to Rommerskirchen | 1,035.74 mi (1,666.86 km) |
| Grevena to Ronnenberg | 1,012.78 mi (1,629.92 km) |
| Grevena to Rosbach vor der Hohe | 936.55 mi (1,507.23 km) |
| Grevena to Rosdorf | 962.11 mi (1,548.37 km) |
| Grevena to Rosenheim | 707.10 mi (1,137.97 km) |
| Grevena to Rosrath | 1,013.55 mi (1,631.16 km) |
| Grevena to Rossdorf | 913.87 mi (1,470.73 km) |
| Grevena to Rosstal | 824.19 mi (1,326.40 km) |
| Grevena to Rostock | 1,059.32 mi (1,704.81 km) |
| Grevena to Rotenburg an der Fulda | 940.40 mi (1,513.42 km) |
| Grevena to Roth | 810.03 mi (1,303.61 km) |
