| Llanelli to Mountain Brook (Alabama) | 4,146.93 mi (6,673.84 km) |
| Llanelli to Mountain Home (Arkansas) | 4,234.68 mi (6,815.06 km) |
| Llanelli to Mountain Home (Idaho) | 4,716.52 mi (7,590.50 km) |
| Llanelli to Mountain House (California) | 5,197.14 mi (8,363.98 km) |
| Llanelli to Mountain Park (Georgia) | 4,022.47 mi (6,473.54 km) |
| Llanelli to Mountain Top (Pennsylvania) | 3,351.96 mi (5,394.46 km) |
| Llanelli to Mountain View (California) | 5,234.64 mi (8,424.34 km) |
| Llanelli to Mountlake Terrace (Washington) | 4,655.20 mi (7,491.83 km) |
| Llanelli to Mukilteo (Washington) | 4,648.55 mi (7,481.11 km) |
| Llanelli to Muncie (Indiana) | 3,775.79 mi (6,076.54 km) |
| Llanelli to Mundelein (Illinois) | 3,784.00 mi (6,089.75 km) |
| Llanelli to Munhall (Pennsylvania) | 3,546.82 mi (5,708.06 km) |
| Llanelli to Munster (Indiana) | 3,797.21 mi (6,111.02 km) |
| Llanelli to Murfreesboro (Tennessee) | 4,019.72 mi (6,469.11 km) |
| Llanelli to Murphy (Texas) | 4,566.21 mi (7,348.61 km) |
