| Northolt to Montevarchi | 783.69 mi (1,261.22 km) |
| Northolt to Monticello Conte Otto | 682.30 mi (1,098.05 km) |
| Northolt to Montichiari | 648.72 mi (1,044.01 km) |
| Northolt to Montignoso | 712.76 mi (1,147.07 km) |
| Northolt to Montopoli in Val d'Arno | 749.91 mi (1,206.86 km) |
| Northolt to Monza | 602.55 mi (969.72 km) |
| Northolt to Morbegno | 585.70 mi (942.59 km) |
| Northolt to Mori | 649.16 mi (1,044.72 km) |
| Northolt to Morlupo | 887.58 mi (1,428.42 km) |
| Northolt to Morrovalle | 862.67 mi (1,388.33 km) |
| Northolt to Mortara | 602.71 mi (969.97 km) |
| Northolt to Mosciano Sant'Angelo | 901.56 mi (1,450.91 km) |
| Northolt to Motta di Livenza | 712.23 mi (1,146.23 km) |
| Northolt to Motta Sant'Anastasia | 1,224.68 mi (1,970.93 km) |
| Northolt to Mottola | 1,119.07 mi (1,800.97 km) |
