| Castelldefels to Ratingen | 729.95 mi (1,174.74 km) |
| Castelldefels to Ratzeburg | 949.20 mi (1,527.60 km) |
| Castelldefels to Raubling | 670.57 mi (1,079.18 km) |
| Castelldefels to Rauenberg | 640.95 mi (1,031.50 km) |
| Castelldefels to Raunheim | 679.20 mi (1,093.06 km) |
| Castelldefels to Ravensburg | 585.32 mi (941.98 km) |
| Castelldefels to Recke | 812.27 mi (1,307.22 km) |
| Castelldefels to Recklinghausen | 753.12 mi (1,212.03 km) |
| Castelldefels to Regen | 758.70 mi (1,221.02 km) |
| Castelldefels to Regensburg | 725.60 mi (1,167.74 km) |
| Castelldefels to Regenstauf | 732.18 mi (1,178.33 km) |
| Castelldefels to Rehau | 784.85 mi (1,263.10 km) |
| Castelldefels to Rehburg-Loccum | 843.02 mi (1,356.71 km) |
| Castelldefels to Rehlingen-Siersburg | 603.44 mi (971.14 km) |
| Castelldefels to Reichelsheim | 670.25 mi (1,078.66 km) |
