| Belfast to Massarosa | 1,038.27 mi (1,670.94 km) |
| Belfast to Matelica | 1,156.43 mi (1,861.09 km) |
| Belfast to Matera | 1,412.09 mi (2,272.54 km) |
| Belfast to Matino | 1,497.29 mi (2,409.66 km) |
| Belfast to Mazzarino | 1,525.91 mi (2,455.72 km) |
| Belfast to Meda | 906.33 mi (1,458.59 km) |
| Belfast to Medesano | 984.98 mi (1,585.17 km) |
| Belfast to Medicina | 1,047.51 mi (1,685.81 km) |
| Belfast to Meldola | 1,079.27 mi (1,736.92 km) |
| Belfast to Melegnano | 927.32 mi (1,492.38 km) |
| Belfast to Melendugno | 1,491.74 mi (2,400.72 km) |
| Belfast to Melfi | 1,362.81 mi (2,193.23 km) |
| Belfast to Melilli | 1,559.75 mi (2,510.18 km) |
| Belfast to Melito di Napoli | 1,321.44 mi (2,126.66 km) |
| Belfast to Melito di Porto Salvo | 1,537.79 mi (2,474.84 km) |
