| Portchester to Mancha Real | 910.29 mi (1,464.97 km) |
| Portchester to Manilva | 1,019.72 mi (1,641.08 km) |
| Portchester to Manises | 785.48 mi (1,264.11 km) |
| Portchester to Manlleu | 631.88 mi (1,016.92 km) |
| Portchester to Manresa | 645.24 mi (1,038.41 km) |
| Portchester to Manzanares | 825.74 mi (1,328.89 km) |
| Portchester to Manzanares el Real | 711.10 mi (1,144.41 km) |
| Portchester to Maracena | 950.66 mi (1,529.94 km) |
| Portchester to Marbella | 1,007.14 mi (1,620.84 km) |
| Portchester to Marchena | 956.98 mi (1,540.11 km) |
| Portchester to Marin | 684.87 mi (1,102.19 km) |
| Portchester to Marratxi | 796.15 mi (1,281.28 km) |
| Portchester to Martorell | 663.35 mi (1,067.55 km) |
| Portchester to Martos | 917.55 mi (1,476.66 km) |
| Portchester to Masamagrell | 779.74 mi (1,254.86 km) |
