| Seclin to Montilla | 971.96 mi (1,564.22 km) |
| Seclin to Montmelo | 622.51 mi (1,001.83 km) |
| Seclin to Montornes del Valles | 623.17 mi (1,002.90 km) |
| Seclin to Montoro | 939.14 mi (1,511.39 km) |
| Seclin to Monzon | 611.96 mi (984.86 km) |
| Seclin to Mora | 819.89 mi (1,319.48 km) |
| Seclin to Moralzarzal | 760.62 mi (1,224.10 km) |
| Seclin to Moron de la Frontera | 1,017.82 mi (1,638.03 km) |
| Seclin to Mostoles | 780.14 mi (1,255.52 km) |
| Seclin to Motril | 1,006.99 mi (1,620.59 km) |
| Seclin to Muchamiel | 855.50 mi (1,376.79 km) |
| Seclin to Mula | 892.12 mi (1,435.72 km) |
| Seclin to Munguia | 568.66 mi (915.17 km) |
| Seclin to Murcia | 891.66 mi (1,434.99 km) |
| Seclin to Muro del Alcoy | 830.53 mi (1,336.61 km) |
