| Belfast to Montevarchi | 1,095.42 mi (1,762.90 km) |
| Belfast to Monticello Conte Otto | 989.73 mi (1,592.82 km) |
| Belfast to Montichiari | 958.98 mi (1,543.34 km) |
| Belfast to Montignoso | 1,025.00 mi (1,649.58 km) |
| Belfast to Montopoli in Val d'Arno | 1,062.07 mi (1,709.24 km) |
| Belfast to Monza | 914.05 mi (1,471.02 km) |
| Belfast to Morbegno | 895.64 mi (1,441.40 km) |
| Belfast to Mori | 957.09 mi (1,540.29 km) |
| Belfast to Morlupo | 1,199.70 mi (1,930.73 km) |
| Belfast to Morrovalle | 1,172.29 mi (1,886.61 km) |
| Belfast to Mortara | 914.95 mi (1,472.46 km) |
| Belfast to Mosciano Sant'Angelo | 1,211.75 mi (1,950.13 km) |
| Belfast to Motta di Livenza | 1,016.45 mi (1,635.81 km) |
| Belfast to Motta Sant'Anastasia | 1,536.91 mi (2,473.42 km) |
| Belfast to Mottola | 1,428.36 mi (2,298.72 km) |
