| Caldicot to Mendota Heights (Minnesota) | 3,913.26 mi (6,297.79 km) |
| Caldicot to Menifee (California) | 5,336.91 mi (8,588.92 km) |
| Caldicot to Menlo Park (California) | 5,281.41 mi (8,499.61 km) |
| Caldicot to Menomonee Falls (Wisconsin) | 3,805.54 mi (6,124.42 km) |
| Caldicot to Menomonie (Wisconsin) | 3,867.89 mi (6,224.76 km) |
| Caldicot to Mentor (Ohio) | 3,606.37 mi (5,803.89 km) |
| Caldicot to Mequon (Wisconsin) | 3,796.34 mi (6,109.62 km) |
| Caldicot to Merced (California) | 5,238.60 mi (8,430.71 km) |
| Caldicot to Mercedes (Texas) | 5,032.10 mi (8,098.38 km) |
| Caldicot to Mercer Island (Washington) | 4,709.36 mi (7,578.98 km) |
| Caldicot to Mercerville (New Jersey) | 3,400.73 mi (5,472.94 km) |
| Caldicot to Meriden (Connecticut) | 3,267.30 mi (5,258.21 km) |
| Caldicot to Meridian (Idaho) | 4,760.24 mi (7,660.87 km) |
| Caldicot to Meridian (Mississippi) | 4,340.23 mi (6,984.92 km) |
| Caldicot to Merriam (Kansas) | 4,250.15 mi (6,839.96 km) |
