| Grefrath to Rheinberg | 18.34 mi (29.52 km) |
| Grefrath to Rheine | 80.37 mi (129.34 km) |
| Grefrath to Rheinfelden (Baden) | 268.85 mi (432.66 km) |
| Grefrath to Ribnitz-Damgarten | 325.43 mi (523.74 km) |
| Grefrath to Richterich | 38.41 mi (61.82 km) |
| Grefrath to Riedlingen | 260.44 mi (419.14 km) |
| Grefrath to Riegelsberg | 143.53 mi (230.99 km) |
| Grefrath to Rielasingen-Worblingen | 272.88 mi (439.15 km) |
| Grefrath to Riesa | 300.12 mi (483.00 km) |
| Grefrath to Rietberg | 95.40 mi (153.54 km) |
| Grefrath to Rinteln | 131.21 mi (211.16 km) |
| Grefrath to Ritterhude | 163.64 mi (263.35 km) |
| Grefrath to Rodenbach | 143.43 mi (230.83 km) |
| Grefrath to Rodental | 218.74 mi (352.02 km) |
| Grefrath to Rodgau | 143.88 mi (231.55 km) |
