| River Grove to Ratingen | 4,220.96 mi (6,792.98 km) |
| River Grove to Ratzeburg | 4,269.27 mi (6,870.73 km) |
| River Grove to Raubling | 4,552.25 mi (7,326.13 km) |
| River Grove to Rauenberg | 4,366.19 mi (7,026.70 km) |
| River Grove to Raunheim | 4,327.94 mi (6,965.15 km) |
| River Grove to Ravensburg | 4,458.68 mi (7,175.55 km) |
| River Grove to Recke | 4,213.08 mi (6,780.30 km) |
| River Grove to Recklinghausen | 4,221.87 mi (6,794.44 km) |
| River Grove to Regen | 4,541.48 mi (7,308.80 km) |
| River Grove to Regensburg | 4,501.13 mi (7,243.87 km) |
| River Grove to Regenstauf | 4,498.42 mi (7,239.51 km) |
| River Grove to Rehau | 4,448.78 mi (7,159.62 km) |
| River Grove to Rehburg-Loccum | 4,262.97 mi (6,860.58 km) |
| River Grove to Rehlingen-Siersburg | 4,286.28 mi (6,898.10 km) |
| River Grove to Reichelsheim | 4,353.96 mi (7,007.02 km) |
