| Seaham to Marsala | 1,343.01 mi (2,161.36 km) |
| Seaham to Marsciano | 1,028.00 mi (1,654.40 km) |
| Seaham to Martano | 1,355.56 mi (2,181.57 km) |
| Seaham to Martellago | 873.85 mi (1,406.33 km) |
| Seaham to Martina Franca | 1,298.09 mi (2,089.07 km) |
| Seaham to Martinengo | 805.12 mi (1,295.72 km) |
| Seaham to Martinsicuro | 1,073.86 mi (1,728.22 km) |
| Seaham to Mascali | 1,412.66 mi (2,273.46 km) |
| Seaham to Mascalucia | 1,420.04 mi (2,285.34 km) |
| Seaham to Masera di Padova | 877.95 mi (1,412.93 km) |
| Seaham to Maserada sul Piave | 867.59 mi (1,396.26 km) |
| Seaham to Massa | 904.83 mi (1,456.19 km) |
| Seaham to Massa Lombarda | 925.23 mi (1,489.01 km) |
| Seaham to Massafra | 1,298.25 mi (2,089.33 km) |
| Seaham to Massalubrense | 1,217.78 mi (1,959.83 km) |
