| Llanelli to Morristown (New Jersey) | 3,307.84 mi (5,323.45 km) |
| Llanelli to Morristown (Tennessee) | 3,876.24 mi (6,238.21 km) |
| Llanelli to Morrisville (North Carolina) | 3,709.22 mi (5,969.40 km) |
| Llanelli to Morro Bay (California) | 5,311.44 mi (8,547.94 km) |
| Llanelli to Morton (Illinois) | 3,916.41 mi (6,302.85 km) |
| Llanelli to Morton Grove (Illinois) | 3,785.74 mi (6,092.57 km) |
| Llanelli to Moscow (Idaho) | 4,561.71 mi (7,341.36 km) |
| Llanelli to Moses Lake (Washington) | 4,606.60 mi (7,413.61 km) |
| Llanelli to Moss Bluff (Louisiana) | 4,568.33 mi (7,352.02 km) |
| Llanelli to Moss Point (Mississippi) | 4,371.44 mi (7,035.16 km) |
| Llanelli to Moultrie (Georgia) | 4,137.96 mi (6,659.40 km) |
| Llanelli to Mounds View (Minnesota) | 3,850.39 mi (6,196.61 km) |
| Llanelli to Mount Airy (North Carolina) | 3,751.83 mi (6,037.99 km) |
| Llanelli to Mount Clemens (Michigan) | 3,569.31 mi (5,744.26 km) |
| Llanelli to Mount Dora (Florida) | 4,163.87 mi (6,701.10 km) |
