| Dunstable to Montijo | 943.25 mi (1,518.01 km) |
| Dunstable to Montilla | 1,008.20 mi (1,622.55 km) |
| Dunstable to Montmelo | 725.65 mi (1,167.82 km) |
| Dunstable to Montornes del Valles | 726.49 mi (1,169.18 km) |
| Dunstable to Montoro | 976.35 mi (1,571.28 km) |
| Dunstable to Monzon | 690.08 mi (1,110.58 km) |
| Dunstable to Mora | 857.32 mi (1,379.72 km) |
| Dunstable to Moralzarzal | 791.68 mi (1,274.08 km) |
| Dunstable to Moron de la Frontera | 1,048.00 mi (1,686.59 km) |
| Dunstable to Mostoles | 813.91 mi (1,309.87 km) |
| Dunstable to Motril | 1,055.99 mi (1,699.46 km) |
| Dunstable to Muchamiel | 930.86 mi (1,498.07 km) |
| Dunstable to Mula | 957.69 mi (1,541.25 km) |
| Dunstable to Munguia | 599.24 mi (964.39 km) |
| Dunstable to Murcia | 960.84 mi (1,546.33 km) |
