| Grevena to Reichenbach/Vogtland | 850.56 mi (1,368.85 km) |
| Grevena to Reinbek | 1,064.78 mi (1,713.59 km) |
| Grevena to Reinfeld | 1,078.23 mi (1,735.24 km) |
| Grevena to Reinheim | 909.94 mi (1,464.40 km) |
| Grevena to Reiskirchen | 947.02 mi (1,524.09 km) |
| Grevena to Rellingen | 1,082.81 mi (1,742.62 km) |
| Grevena to Remagen | 997.27 mi (1,604.95 km) |
| Grevena to Remscheid | 1,026.22 mi (1,651.54 km) |
| Grevena to Rendsburg | 1,123.35 mi (1,807.86 km) |
| Grevena to Renningen | 858.02 mi (1,380.85 km) |
| Grevena to Reutlingen | 835.65 mi (1,344.85 km) |
| Grevena to Rhaude | 1,114.10 mi (1,792.97 km) |
| Grevena to Rheda-Wiedenbruck | 1,024.98 mi (1,649.54 km) |
| Grevena to Rhede | 1,072.59 mi (1,726.16 km) |
| Grevena to Rheinau | 889.64 mi (1,431.73 km) |
