| Houghton Regis to Montijo | 944.35 mi (1,519.79 km) |
| Houghton Regis to Montilla | 1,009.37 mi (1,624.43 km) |
| Houghton Regis to Montmelo | 726.89 mi (1,169.82 km) |
| Houghton Regis to Montornes del Valles | 727.74 mi (1,171.18 km) |
| Houghton Regis to Montoro | 977.52 mi (1,573.17 km) |
| Houghton Regis to Monzon | 691.33 mi (1,112.58 km) |
| Houghton Regis to Mora | 858.50 mi (1,381.62 km) |
| Houghton Regis to Moralzarzal | 792.85 mi (1,275.96 km) |
| Houghton Regis to Moron de la Frontera | 1,049.15 mi (1,688.45 km) |
| Houghton Regis to Mostoles | 815.09 mi (1,311.76 km) |
| Houghton Regis to Motril | 1,057.19 mi (1,701.38 km) |
| Houghton Regis to Muchamiel | 932.10 mi (1,500.07 km) |
| Houghton Regis to Mula | 958.91 mi (1,543.22 km) |
| Houghton Regis to Munguia | 600.43 mi (966.29 km) |
| Houghton Regis to Murcia | 962.07 mi (1,548.31 km) |
