| Caldicot to Marshall (Minnesota) | 4,029.38 mi (6,484.66 km) |
| Caldicot to Marshall (Missouri) | 4,188.66 mi (6,741.00 km) |
| Caldicot to Marshall (Texas) | 4,559.85 mi (7,338.37 km) |
| Caldicot to Marshalltown (Iowa) | 4,037.74 mi (6,498.11 km) |
| Caldicot to Marshfield (Wisconsin) | 3,814.12 mi (6,138.24 km) |
| Caldicot to Martha Lake (Washington) | 4,693.56 mi (7,553.56 km) |
| Caldicot to Martin (Tennessee) | 4,153.17 mi (6,683.88 km) |
| Caldicot to Martinez (California) | 5,249.45 mi (8,448.17 km) |
| Caldicot to Martinez (Georgia) | 4,014.22 mi (6,460.26 km) |
| Caldicot to Martinsburg (West Virginia) | 3,569.55 mi (5,744.64 km) |
| Caldicot to Martinsville (Indiana) | 3,911.32 mi (6,294.66 km) |
| Caldicot to Martinsville (New Jersey) | 3,380.12 mi (5,439.77 km) |
| Caldicot to Martinsville (Virginia) | 3,772.82 mi (6,071.77 km) |
| Caldicot to Maryland City (Maryland) | 3,537.34 mi (5,692.79 km) |
| Caldicot to Maryland Heights (Missouri) | 4,102.61 mi (6,602.51 km) |
