| Seaham to Montijo | 1,127.73 mi (1,814.91 km) |
| Seaham to Montilla | 1,202.34 mi (1,934.98 km) |
| Seaham to Montmelo | 932.38 mi (1,500.52 km) |
| Seaham to Montornes del Valles | 933.22 mi (1,501.87 km) |
| Seaham to Montoro | 1,171.10 mi (1,884.70 km) |
| Seaham to Monzon | 896.08 mi (1,442.09 km) |
| Seaham to Mora | 1,053.23 mi (1,695.01 km) |
| Seaham to Moralzarzal | 986.12 mi (1,587.00 km) |
| Seaham to Moron de la Frontera | 1,239.46 mi (1,994.72 km) |
| Seaham to Mostoles | 1,009.04 mi (1,623.89 km) |
| Seaham to Motril | 1,254.14 mi (2,018.34 km) |
| Seaham to Muchamiel | 1,135.72 mi (1,827.77 km) |
| Seaham to Mula | 1,160.66 mi (1,867.90 km) |
| Seaham to Munguia | 796.43 mi (1,281.73 km) |
| Seaham to Murcia | 1,164.53 mi (1,874.13 km) |
