| Houghton Regis to Miranda de Ebro | 646.91 mi (1,041.09 km) |
| Houghton Regis to Mislata | 858.77 mi (1,382.06 km) |
| Houghton Regis to Moana | 768.01 mi (1,235.99 km) |
| Houghton Regis to Moguer | 1,056.45 mi (1,700.19 km) |
| Houghton Regis to Molina de Segura | 957.46 mi (1,540.88 km) |
| Houghton Regis to Molins de Rey | 734.61 mi (1,182.24 km) |
| Houghton Regis to Mollerusa | 712.88 mi (1,147.27 km) |
| Houghton Regis to Mollet | 727.86 mi (1,171.38 km) |
| Houghton Regis to Moncada | 731.01 mi (1,176.45 km) |
| Houghton Regis to Moncada | 853.90 mi (1,374.22 km) |
| Houghton Regis to Monforte de Lemos | 726.10 mi (1,168.55 km) |
| Houghton Regis to Monforte del Cid | 934.52 mi (1,503.96 km) |
| Houghton Regis to Mongat | 733.14 mi (1,179.87 km) |
| Houghton Regis to Monovar | 930.60 mi (1,497.66 km) |
| Houghton Regis to Monserrat | 866.88 mi (1,395.11 km) |
