| Grefrath to Ribnica | 544.17 mi (875.75 km) |
| Grefrath to Ribnica | 523.11 mi (841.87 km) |
| Grefrath to Rogaska Slatina | 550.23 mi (885.52 km) |
| Grefrath to Rogasovci | 538.30 mi (866.32 km) |
| Grefrath to Rogatec | 552.91 mi (889.82 km) |
| Grefrath to Ruse | 531.57 mi (855.47 km) |
| Grefrath to Salovci | 547.18 mi (880.60 km) |
| Grefrath to Selnica ob Dravi | 530.24 mi (853.34 km) |
| Grefrath to Semic | 563.04 mi (906.12 km) |
| Grefrath to Sempeter pri Gorici | 500.15 mi (804.92 km) |
| Grefrath to Sencur | 508.40 mi (818.19 km) |
| Grefrath to Sentilj | 529.76 mi (852.57 km) |
| Grefrath to Sentjernej | 558.99 mi (899.60 km) |
| Grefrath to Sentjur | 542.51 mi (873.09 km) |
| Grefrath to Sentrupert | 543.90 mi (875.32 km) |
