| Caldicot to Romeoville (Illinois) | 3,873.89 mi (6,234.42 km) |
| Caldicot to Romulus (Michigan) | 3,662.98 mi (5,895.00 km) |
| Caldicot to Ronkonkoma (New York) | 3,311.85 mi (5,329.90 km) |
| Caldicot to Roosevelt (New York) | 3,336.05 mi (5,368.85 km) |
| Caldicot to Rosamond (California) | 5,304.68 mi (8,537.06 km) |
| Caldicot to Rosaryville (Maryland) | 3,553.09 mi (5,718.15 km) |
| Caldicot to Roscoe (Illinois) | 3,872.25 mi (6,231.79 km) |
| Caldicot to Rose Hill (Virginia) | 3,563.80 mi (5,735.38 km) |
| Caldicot to Roseburg (Oregon) | 4,986.57 mi (8,025.11 km) |
| Caldicot to Rosedale (California) | 5,307.20 mi (8,541.12 km) |
| Caldicot to Rosedale (Maryland) | 3,515.18 mi (5,657.14 km) |
| Caldicot to Roselle (Illinois) | 3,857.34 mi (6,207.79 km) |
| Caldicot to Roselle (New Jersey) | 3,365.03 mi (5,415.49 km) |
| Caldicot to Roselle Park (New Jersey) | 3,364.77 mi (5,415.07 km) |
| Caldicot to Rosemead (California) | 5,345.33 mi (8,602.47 km) |
