| Calan to Rheinbach | 811.28 mi (1,305.62 km) |
| Calan to Rheinberg | 847.25 mi (1,363.52 km) |
| Calan to Rheine | 835.74 mi (1,344.99 km) |
| Calan to Rheinfelden (Baden) | 731.44 mi (1,177.14 km) |
| Calan to Ribnitz-Damgarten | 750.21 mi (1,207.35 km) |
| Calan to Richterich | 851.94 mi (1,371.07 km) |
| Calan to Riedlingen | 659.02 mi (1,060.59 km) |
| Calan to Riegelsberg | 787.43 mi (1,267.25 km) |
| Calan to Rielasingen-Worblingen | 683.97 mi (1,100.74 km) |
| Calan to Riesa | 587.23 mi (945.05 km) |
| Calan to Rietberg | 782.79 mi (1,259.77 km) |
| Calan to Rinteln | 771.24 mi (1,241.19 km) |
| Calan to Ritterhude | 818.75 mi (1,317.66 km) |
| Calan to Rodenbach | 713.64 mi (1,148.49 km) |
| Calan to Rodental | 634.07 mi (1,020.45 km) |
