| Caldicot to Rockville (Maryland) | 3,552.53 mi (5,717.25 km) |
| Caldicot to Rockville Centre (New York) | 3,338.96 mi (5,373.53 km) |
| Caldicot to Rockwall (Texas) | 4,622.61 mi (7,439.37 km) |
| Caldicot to Rocky Mount (North Carolina) | 3,720.62 mi (5,987.76 km) |
| Caldicot to Rocky Point (New York) | 3,298.48 mi (5,308.40 km) |
| Caldicot to Rocky River (Ohio) | 3,636.57 mi (5,852.49 km) |
| Caldicot to Roessleville (New York) | 3,259.96 mi (5,246.40 km) |
| Caldicot to Rogers (Arkansas) | 4,362.51 mi (7,020.78 km) |
| Caldicot to Rogers (Minnesota) | 3,915.09 mi (6,300.73 km) |
| Caldicot to Rohnert Park (California) | 5,246.94 mi (8,444.13 km) |
| Caldicot to Rolla (Missouri) | 4,189.80 mi (6,742.84 km) |
| Caldicot to Rolling Meadows (Illinois) | 3,850.70 mi (6,197.11 km) |
| Caldicot to Roma (Texas) | 5,061.99 mi (8,146.48 km) |
| Caldicot to Rome (Georgia) | 4,105.39 mi (6,606.98 km) |
| Caldicot to Rome (New York) | 3,306.65 mi (5,321.55 km) |
