| Grefrath to Prelouc | 413.09 mi (664.81 km) |
| Grefrath to Prerov | 505.76 mi (813.95 km) |
| Grefrath to Pribram | 355.45 mi (572.04 km) |
| Grefrath to Prostejov | 490.95 mi (790.10 km) |
| Grefrath to Rakovnik | 334.25 mi (537.92 km) |
| Grefrath to Ricany | 375.53 mi (604.36 km) |
| Grefrath to Rokycany | 336.85 mi (542.10 km) |
| Grefrath to Roudnice nad Labem | 350.81 mi (564.57 km) |
| Grefrath to Roznov pod Radhostem | 535.11 mi (861.18 km) |
| Grefrath to Roztoky | 361.31 mi (581.47 km) |
| Grefrath to Rumburk | 356.95 mi (574.46 km) |
| Grefrath to Rychnov nad Kneznou | 441.43 mi (710.41 km) |
| Grefrath to Slany | 346.73 mi (558.00 km) |
| Grefrath to Sokolov | 286.56 mi (461.17 km) |
| Grefrath to Sternberk | 493.37 mi (794.00 km) |
