| Calan to Rodgau | 716.84 mi (1,153.65 km) |
| Calan to Roding | 544.73 mi (876.65 km) |
| Calan to Rodinghausen | 795.56 mi (1,280.33 km) |
| Calan to Roetgen | 842.91 mi (1,356.54 km) |
| Calan to Rommerskirchen | 831.02 mi (1,337.39 km) |
| Calan to Ronnenberg | 754.92 mi (1,214.93 km) |
| Calan to Rosbach vor der Hohe | 730.97 mi (1,176.38 km) |
| Calan to Rosdorf | 717.46 mi (1,154.64 km) |
| Calan to Rosenheim | 534.26 mi (859.80 km) |
| Calan to Rosrath | 807.72 mi (1,299.90 km) |
| Calan to Rossdorf | 718.77 mi (1,156.75 km) |
| Calan to Rosstal | 618.43 mi (995.27 km) |
| Calan to Rostock | 751.14 mi (1,208.84 km) |
| Calan to Rotenburg an der Fulda | 708.20 mi (1,139.74 km) |
| Calan to Roth | 606.08 mi (975.39 km) |
