| Grefrath to Roding | 309.99 mi (498.88 km) |
| Grefrath to Rodinghausen | 111.34 mi (179.19 km) |
| Grefrath to Roetgen | 47.81 mi (76.95 km) |
| Grefrath to Rommerskirchen | 25.78 mi (41.49 km) |
| Grefrath to Ronnenberg | 156.98 mi (252.64 km) |
| Grefrath to Rosbach vor der Hohe | 125.50 mi (201.97 km) |
| Grefrath to Rosdorf | 153.76 mi (247.46 km) |
| Grefrath to Rosenheim | 353.82 mi (569.41 km) |
| Grefrath to Rosrath | 47.37 mi (76.23 km) |
| Grefrath to Rossdorf | 147.11 mi (236.75 km) |
| Grefrath to Rosstal | 240.71 mi (387.39 km) |
| Grefrath to Rostock | 307.76 mi (495.29 km) |
| Grefrath to Rotenburg an der Fulda | 148.60 mi (239.15 km) |
| Grefrath to Roth | 254.53 mi (409.63 km) |
| Grefrath to Rothenbach an der Pegnitz | 251.01 mi (403.96 km) |
