| Belfast to Melzo | 922.97 mi (1,485.37 km) |
| Belfast to Mendicino | 1,475.13 mi (2,374.00 km) |
| Belfast to Menfi | 1,472.44 mi (2,369.66 km) |
| Belfast to Mentana | 1,211.19 mi (1,949.22 km) |
| Belfast to Merano | 923.85 mi (1,486.80 km) |
| Belfast to Merate | 913.21 mi (1,469.67 km) |
| Belfast to Mercato San Severino | 1,345.79 mi (2,165.84 km) |
| Belfast to Mercogliano | 1,337.41 mi (2,152.35 km) |
| Belfast to Mesagne | 1,457.78 mi (2,346.07 km) |
| Belfast to Messina | 1,514.97 mi (2,438.10 km) |
| Belfast to Mestre | 1,017.50 mi (1,637.50 km) |
| Belfast to Mestrino | 1,003.34 mi (1,614.73 km) |
| Belfast to Milan | 917.43 mi (1,476.45 km) |
| Belfast to Milazzo | 1,503.88 mi (2,420.27 km) |
| Belfast to Minerbio | 1,035.30 mi (1,666.15 km) |
