| Grinon to Ratingen | 921.20 mi (1,482.53 km) |
| Grinon to Ratzeburg | 1,153.61 mi (1,856.56 km) |
| Grinon to Raubling | 947.09 mi (1,524.20 km) |
| Grinon to Rauenberg | 875.65 mi (1,409.22 km) |
| Grinon to Raunheim | 902.17 mi (1,451.90 km) |
| Grinon to Ravensburg | 847.04 mi (1,363.17 km) |
| Grinon to Recke | 1,002.35 mi (1,613.13 km) |
| Grinon to Recklinghausen | 944.99 mi (1,520.81 km) |
| Grinon to Regen | 1,027.59 mi (1,653.74 km) |
| Grinon to Regensburg | 988.47 mi (1,590.79 km) |
| Grinon to Regenstauf | 994.12 mi (1,599.88 km) |
| Grinon to Rehau | 1,033.68 mi (1,663.55 km) |
| Grinon to Rehburg-Loccum | 1,046.59 mi (1,684.32 km) |
| Grinon to Rehlingen-Siersburg | 814.70 mi (1,311.14 km) |
| Grinon to Reichelsheim | 900.66 mi (1,449.47 km) |
