| Llanelli to Montijo | 890.49 mi (1,433.10 km) |
| Llanelli to Montilla | 974.53 mi (1,568.36 km) |
| Llanelli to Montmelo | 762.45 mi (1,227.04 km) |
| Llanelli to Montornes del Valles | 763.43 mi (1,228.62 km) |
| Llanelli to Montoro | 944.38 mi (1,519.83 km) |
| Llanelli to Monzon | 705.68 mi (1,135.68 km) |
| Llanelli to Mora | 829.33 mi (1,334.67 km) |
| Llanelli to Moralzarzal | 760.70 mi (1,224.23 km) |
| Llanelli to Moron de la Frontera | 1,008.09 mi (1,622.36 km) |
| Llanelli to Mostoles | 784.38 mi (1,262.34 km) |
| Llanelli to Motril | 1,032.32 mi (1,661.37 km) |
| Llanelli to Muchamiel | 934.36 mi (1,503.71 km) |
| Llanelli to Mula | 951.45 mi (1,531.21 km) |
| Llanelli to Munguia | 578.74 mi (931.39 km) |
| Llanelli to Murcia | 957.81 mi (1,541.44 km) |
