| Castanet-Tolosan to Monticello Conte Otto | 516.57 mi (831.34 km) |
| Castanet-Tolosan to Montichiari | 457.50 mi (736.27 km) |
| Castanet-Tolosan to Montignoso | 433.72 mi (698.00 km) |
| Castanet-Tolosan to Montopoli in Val d'Arno | 462.87 mi (744.92 km) |
| Castanet-Tolosan to Monza | 408.44 mi (657.32 km) |
| Castanet-Tolosan to Morbegno | 434.54 mi (699.32 km) |
| Castanet-Tolosan to Mori | 492.73 mi (792.97 km) |
| Castanet-Tolosan to Morlupo | 565.28 mi (909.74 km) |
| Castanet-Tolosan to Morrovalle | 606.16 mi (975.51 km) |
| Castanet-Tolosan to Mortara | 377.46 mi (607.46 km) |
| Castanet-Tolosan to Mosciano Sant'Angelo | 626.14 mi (1,007.68 km) |
| Castanet-Tolosan to Motta di Livenza | 567.57 mi (913.41 km) |
| Castanet-Tolosan to Motta Sant'Anastasia | 819.10 mi (1,318.22 km) |
| Castanet-Tolosan to Mottola | 819.91 mi (1,319.51 km) |
| Castanet-Tolosan to Mozzate | 395.83 mi (637.02 km) |
