| Kalkar to Rothenburg ob der Tauber | 235.85 mi (379.56 km) |
| Kalkar to Rottweil | 267.58 mi (430.63 km) |
| Kalkar to Rudersberg | 243.36 mi (391.64 km) |
| Kalkar to Rudesheim am Rhein | 140.77 mi (226.54 km) |
| Kalkar to Rudolstadt | 228.96 mi (368.47 km) |
| Kalkar to Runkel | 122.58 mi (197.28 km) |
| Kalkar to Ruppichteroth | 80.48 mi (129.53 km) |
| Kalkar to Russelsheim | 151.84 mi (244.36 km) |
| Kalkar to Rutesheim | 233.80 mi (376.27 km) |
| Kalkar to Ruthen | 95.51 mi (153.70 km) |
| Kalkar to Saalfeld | 232.18 mi (373.65 km) |
| Kalkar to Saarbrucken | 175.89 mi (283.07 km) |
| Kalkar to Saarlouis | 168.56 mi (271.27 km) |
| Kalkar to Saarwellingen | 166.29 mi (267.63 km) |
| Kalkar to Salzgitter | 174.41 mi (280.68 km) |
