| Grevena to Ratingen | 1,042.82 mi (1,678.26 km) |
| Grevena to Ratzeburg | 1,064.61 mi (1,713.32 km) |
| Grevena to Raubling | 704.96 mi (1,134.53 km) |
| Grevena to Rauenberg | 888.41 mi (1,429.75 km) |
| Grevena to Raunheim | 931.28 mi (1,498.75 km) |
| Grevena to Ravensburg | 791.21 mi (1,273.32 km) |
| Grevena to Recke | 1,068.52 mi (1,719.61 km) |
| Grevena to Recklinghausen | 1,046.45 mi (1,684.10 km) |
| Grevena to Regen | 736.25 mi (1,184.88 km) |
| Grevena to Regensburg | 768.51 mi (1,236.80 km) |
| Grevena to Regenstauf | 772.88 mi (1,243.83 km) |
| Grevena to Rehau | 837.24 mi (1,347.40 km) |
| Grevena to Rehburg-Loccum | 1,031.65 mi (1,660.27 km) |
| Grevena to Rehlingen-Siersburg | 964.19 mi (1,551.71 km) |
| Grevena to Reichelsheim | 904.39 mi (1,455.48 km) |
