| Llanelli to Mancha Real | 960.60 mi (1,545.94 km) |
| Llanelli to Manilva | 1,058.52 mi (1,703.53 km) |
| Llanelli to Manises | 861.60 mi (1,386.61 km) |
| Llanelli to Manlleu | 734.50 mi (1,182.06 km) |
| Llanelli to Manresa | 743.66 mi (1,196.80 km) |
| Llanelli to Manzanares | 877.45 mi (1,412.12 km) |
| Llanelli to Manzanares el Real | 757.18 mi (1,218.56 km) |
| Llanelli to Maracena | 1,001.08 mi (1,611.08 km) |
| Llanelli to Marbella | 1,048.55 mi (1,687.49 km) |
| Llanelli to Marchena | 993.42 mi (1,598.76 km) |
| Llanelli to Marin | 676.20 mi (1,088.24 km) |
| Llanelli to Marratxi | 895.54 mi (1,441.23 km) |
| Llanelli to Martorell | 761.81 mi (1,226.01 km) |
| Llanelli to Martos | 965.09 mi (1,553.17 km) |
| Llanelli to Masamagrell | 856.91 mi (1,379.06 km) |
