| Laredo to Montilla | 407.97 mi (656.56 km) |
| Laredo to Montmelo | 315.64 mi (507.97 km) |
| Laredo to Montornes del Valles | 316.74 mi (509.74 km) |
| Laredo to Montoro | 376.40 mi (605.76 km) |
| Laredo to Monzon | 210.35 mi (338.53 km) |
| Laredo to Mora | 258.44 mi (415.92 km) |
| Laredo to Moralzarzal | 191.44 mi (308.09 km) |
| Laredo to Moron de la Frontera | 447.83 mi (720.72 km) |
| Laredo to Mostoles | 214.18 mi (344.68 km) |
| Laredo to Motril | 460.50 mi (741.10 km) |
| Laredo to Muchamiel | 378.54 mi (609.20 km) |
| Laredo to Mula | 384.54 mi (618.85 km) |
| Laredo to Munguia | 28.56 mi (45.96 km) |
| Laredo to Murcia | 393.57 mi (633.38 km) |
| Laredo to Muro del Alcoy | 355.64 mi (572.34 km) |
