| Caldicot to Rodgau | 518.85 mi (835.02 km) |
| Caldicot to Roding | 690.99 mi (1,112.05 km) |
| Caldicot to Rodinghausen | 480.27 mi (772.92 km) |
| Caldicot to Roetgen | 393.26 mi (632.90 km) |
| Caldicot to Rommerskirchen | 409.24 mi (658.61 km) |
| Caldicot to Ronnenberg | 529.94 mi (852.85 km) |
| Caldicot to Rosbach vor der Hohe | 505.83 mi (814.06 km) |
| Caldicot to Rosdorf | 542.88 mi (873.68 km) |
| Caldicot to Rosenheim | 711.70 mi (1,145.36 km) |
| Caldicot to Rosrath | 431.90 mi (695.07 km) |
| Caldicot to Rossdorf | 516.66 mi (831.49 km) |
| Caldicot to Rosstal | 617.01 mi (992.98 km) |
| Caldicot to Rostock | 643.23 mi (1,035.18 km) |
| Caldicot to Rotenburg an der Fulda | 539.99 mi (869.02 km) |
| Caldicot to Roth | 629.41 mi (1,012.94 km) |
