| Calw to Ratzeburg | 355.17 mi (571.59 km) |
| Calw to Raubling | 167.83 mi (270.10 km) |
| Calw to Rauenberg | 38.10 mi (61.32 km) |
| Calw to Raunheim | 90.72 mi (146.00 km) |
| Calw to Ravensburg | 76.11 mi (122.49 km) |
| Calw to Recke | 256.31 mi (412.49 km) |
| Calw to Recklinghausen | 210.02 mi (338.00 km) |
| Calw to Regen | 200.80 mi (323.15 km) |
| Calw to Regensburg | 153.65 mi (247.28 km) |
| Calw to Regenstauf | 156.67 mi (252.13 km) |
| Calw to Rehau | 181.48 mi (292.07 km) |
| Calw to Rehburg-Loccum | 258.84 mi (416.56 km) |
| Calw to Rehlingen-Siersburg | 103.38 mi (166.38 km) |
| Calw to Reichelsheim | 69.14 mi (111.26 km) |
| Calw to Reichenbach/Vogtland | 206.54 mi (332.39 km) |
