| Duffel to Montilla | 1,035.73 mi (1,666.85 km) |
| Duffel to Montmelo | 668.24 mi (1,075.42 km) |
| Duffel to Montornes del Valles | 668.81 mi (1,076.35 km) |
| Duffel to Montoro | 1,002.84 mi (1,613.91 km) |
| Duffel to Monzon | 667.17 mi (1,073.71 km) |
| Duffel to Mora | 884.17 mi (1,422.94 km) |
| Duffel to Moralzarzal | 826.63 mi (1,330.33 km) |
| Duffel to Moron de la Frontera | 1,082.73 mi (1,742.49 km) |
| Duffel to Mostoles | 845.46 mi (1,360.64 km) |
| Duffel to Motril | 1,067.51 mi (1,717.99 km) |
| Duffel to Muchamiel | 909.19 mi (1,463.20 km) |
| Duffel to Mula | 948.64 mi (1,526.69 km) |
| Duffel to Munguia | 636.28 mi (1,024.00 km) |
| Duffel to Murcia | 947.08 mi (1,524.18 km) |
| Duffel to Muro del Alcoy | 884.52 mi (1,423.50 km) |
