| Grantham to Reichenbach/Vogtland | 574.70 mi (924.90 km) |
| Grantham to Reinbek | 451.83 mi (727.15 km) |
| Grantham to Reinfeld | 462.26 mi (743.93 km) |
| Grantham to Reinheim | 460.38 mi (740.91 km) |
| Grantham to Reiskirchen | 435.16 mi (700.32 km) |
| Grantham to Rellingen | 434.41 mi (699.11 km) |
| Grantham to Remagen | 373.12 mi (600.48 km) |
| Grantham to Remscheid | 353.72 mi (569.26 km) |
| Grantham to Rendsburg | 432.65 mi (696.28 km) |
| Grantham to Renningen | 506.03 mi (814.37 km) |
| Grantham to Reutlingen | 528.29 mi (850.20 km) |
| Grantham to Rhaude | 340.38 mi (547.79 km) |
| Grantham to Rheda-Wiedenbruck | 383.97 mi (617.94 km) |
| Grantham to Rhede | 318.33 mi (512.30 km) |
| Grantham to Rheinau | 475.30 mi (764.93 km) |
