| Caldicot to Mitchell (South Dakota) | 4,144.16 mi (6,669.37 km) |
| Caldicot to Mitchellville (Maryland) | 3,545.09 mi (5,705.27 km) |
| Caldicot to Moberly (Missouri) | 4,144.77 mi (6,670.36 km) |
| Caldicot to Mobile (Alabama) | 4,401.73 mi (7,083.89 km) |
| Caldicot to Modesto (California) | 5,235.98 mi (8,426.50 km) |
| Caldicot to Mokena (Illinois) | 3,869.90 mi (6,228.00 km) |
| Caldicot to Moline (Illinois) | 3,972.51 mi (6,393.14 km) |
| Caldicot to Moncks Corner (South Carolina) | 3,944.05 mi (6,347.34 km) |
| Caldicot to Monfort Heights (Ohio) | 3,849.73 mi (6,195.54 km) |
| Caldicot to Monmouth (Oregon) | 4,890.28 mi (7,870.14 km) |
| Caldicot to Monroe (Georgia) | 4,067.64 mi (6,546.23 km) |
| Caldicot to Monroe (Louisiana) | 4,470.23 mi (7,194.15 km) |
| Caldicot to Monroe (Michigan) | 3,677.41 mi (5,918.22 km) |
| Caldicot to Monroe (North Carolina) | 3,879.83 mi (6,243.98 km) |
| Caldicot to Monroe (Ohio) | 3,827.98 mi (6,160.55 km) |
