| Seaham to Mancha Real | 1,183.11 mi (1,904.03 km) |
| Seaham to Manilva | 1,288.66 mi (2,073.90 km) |
| Seaham to Manises | 1,061.85 mi (1,708.88 km) |
| Seaham to Manlleu | 902.27 mi (1,452.07 km) |
| Seaham to Manresa | 917.46 mi (1,476.51 km) |
| Seaham to Manzanares | 1,098.76 mi (1,768.29 km) |
| Seaham to Manzanares el Real | 981.93 mi (1,580.27 km) |
| Seaham to Maracena | 1,223.60 mi (1,969.19 km) |
| Seaham to Marbella | 1,277.11 mi (2,055.31 km) |
| Seaham to Marchena | 1,224.75 mi (1,971.04 km) |
| Seaham to Marin | 922.14 mi (1,484.03 km) |
| Seaham to Marratxi | 1,067.02 mi (1,717.20 km) |
| Seaham to Martorell | 935.43 mi (1,505.43 km) |
| Seaham to Martos | 1,189.52 mi (1,914.35 km) |
| Seaham to Masamagrell | 1,056.07 mi (1,699.58 km) |
