| Hemel Hempstead to Miranda de Ebro | 637.11 mi (1,025.33 km) |
| Hemel Hempstead to Mislata | 848.30 mi (1,365.21 km) |
| Hemel Hempstead to Moana | 760.61 mi (1,224.09 km) |
| Hemel Hempstead to Moguer | 1,047.39 mi (1,685.61 km) |
| Hemel Hempstead to Molina de Segura | 947.11 mi (1,524.23 km) |
| Hemel Hempstead to Molins de Rey | 723.90 mi (1,165.01 km) |
| Hemel Hempstead to Mollerusa | 702.24 mi (1,130.15 km) |
| Hemel Hempstead to Mollet | 717.15 mi (1,154.14 km) |
| Hemel Hempstead to Moncada | 720.30 mi (1,159.20 km) |
| Hemel Hempstead to Moncada | 843.43 mi (1,357.37 km) |
| Hemel Hempstead to Monforte de Lemos | 718.20 mi (1,155.84 km) |
| Hemel Hempstead to Monforte del Cid | 924.10 mi (1,487.19 km) |
| Hemel Hempstead to Mongat | 722.42 mi (1,162.62 km) |
| Hemel Hempstead to Monovar | 920.20 mi (1,480.92 km) |
| Hemel Hempstead to Monserrat | 856.44 mi (1,378.31 km) |
