| Northolt to Melzo | 611.51 mi (984.13 km) |
| Northolt to Mendicino | 1,163.45 mi (1,872.39 km) |
| Northolt to Menfi | 1,161.54 mi (1,869.32 km) |
| Northolt to Mentana | 899.07 mi (1,446.92 km) |
| Northolt to Merano | 619.80 mi (997.47 km) |
| Northolt to Merate | 602.10 mi (968.99 km) |
| Northolt to Mercato San Severino | 1,034.19 mi (1,664.37 km) |
| Northolt to Mercogliano | 1,025.91 mi (1,651.04 km) |
| Northolt to Mesagne | 1,149.51 mi (1,849.96 km) |
| Northolt to Messina | 1,202.63 mi (1,935.44 km) |
| Northolt to Mestre | 711.19 mi (1,144.54 km) |
| Northolt to Mestrino | 695.81 mi (1,119.80 km) |
| Northolt to Milan | 605.69 mi (974.76 km) |
| Northolt to Milazzo | 1,191.53 mi (1,917.57 km) |
| Northolt to Minerbio | 725.03 mi (1,166.83 km) |
