| Seaham to Miranda de Ebro | 843.02 mi (1,356.71 km) |
| Seaham to Mislata | 1,062.48 mi (1,709.90 km) |
| Seaham to Moana | 930.15 mi (1,496.94 km) |
| Seaham to Moguer | 1,241.01 mi (1,997.20 km) |
| Seaham to Molina de Segura | 1,159.76 mi (1,866.45 km) |
| Seaham to Molins de Rey | 940.20 mi (1,513.10 km) |
| Seaham to Mollerusa | 918.27 mi (1,477.81 km) |
| Seaham to Mollet | 933.37 mi (1,502.12 km) |
| Seaham to Moncada | 936.53 mi (1,507.20 km) |
| Seaham to Moncada | 1,057.65 mi (1,702.12 km) |
| Seaham to Monforte de Lemos | 896.03 mi (1,442.02 km) |
| Seaham to Monforte del Cid | 1,137.69 mi (1,830.93 km) |
| Seaham to Mongat | 938.62 mi (1,510.56 km) |
| Seaham to Monovar | 1,133.59 mi (1,824.33 km) |
| Seaham to Monserrat | 1,070.28 mi (1,722.45 km) |
