| Caldicot to Somersworth (New Hampshire) | 3,118.48 mi (5,018.71 km) |
| Caldicot to Somerton (Arizona) | 5,313.71 mi (8,551.59 km) |
| Caldicot to Somerville (Massachusetts) | 3,162.31 mi (5,089.25 km) |
| Caldicot to Somerville (New Jersey) | 3,382.95 mi (5,444.34 km) |
| Caldicot to Sonoma (California) | 5,243.12 mi (8,437.99 km) |
| Caldicot to Soquel (California) | 5,301.71 mi (8,532.28 km) |
| Caldicot to South Bend (Indiana) | 3,800.99 mi (6,117.10 km) |
| Caldicot to South Bradenton (Florida) | 4,332.09 mi (6,971.83 km) |
| Caldicot to South Burlington (Vermont) | 3,164.91 mi (5,093.44 km) |
| Caldicot to South Charleston (West Virginia) | 3,772.06 mi (6,070.54 km) |
| Caldicot to South Daytona (Florida) | 4,180.74 mi (6,728.25 km) |
| Caldicot to South El Monte (California) | 5,345.32 mi (8,602.46 km) |
| Caldicot to South Elgin (Illinois) | 3,865.63 mi (6,221.13 km) |
| Caldicot to South Euclid (Ohio) | 3,621.15 mi (5,827.67 km) |
| Caldicot to South Farmingdale (New York) | 3,328.82 mi (5,357.21 km) |
