| Caldicot to Morristown (New Jersey) | 3,367.79 mi (5,419.93 km) |
| Caldicot to Morristown (Tennessee) | 3,935.93 mi (6,334.27 km) |
| Caldicot to Morrisville (North Carolina) | 3,769.52 mi (6,066.45 km) |
| Caldicot to Morro Bay (California) | 5,360.75 mi (8,627.30 km) |
| Caldicot to Morton (Illinois) | 3,973.86 mi (6,395.31 km) |
| Caldicot to Morton Grove (Illinois) | 3,843.10 mi (6,184.88 km) |
| Caldicot to Moscow (Idaho) | 4,607.97 mi (7,415.81 km) |
| Caldicot to Moses Lake (Washington) | 4,651.73 mi (7,486.24 km) |
| Caldicot to Moss Bluff (Louisiana) | 4,627.56 mi (7,447.34 km) |
| Caldicot to Moss Point (Mississippi) | 4,431.38 mi (7,131.61 km) |
| Caldicot to Moultrie (Georgia) | 4,198.36 mi (6,756.60 km) |
| Caldicot to Mounds View (Minnesota) | 3,905.31 mi (6,284.99 km) |
| Caldicot to Mount Airy (North Carolina) | 3,811.83 mi (6,134.54 km) |
| Caldicot to Mount Clemens (Michigan) | 3,627.48 mi (5,837.87 km) |
| Caldicot to Mount Dora (Florida) | 4,224.65 mi (6,798.92 km) |
