| Castelo Branco to Montevarchi | 1,014.55 mi (1,632.75 km) |
| Castelo Branco to Monticello Conte Otto | 1,044.77 mi (1,681.40 km) |
| Castelo Branco to Montichiari | 985.82 mi (1,586.53 km) |
| Castelo Branco to Montignoso | 951.34 mi (1,531.03 km) |
| Castelo Branco to Montopoli in Val d'Arno | 975.46 mi (1,569.86 km) |
| Castelo Branco to Monza | 937.89 mi (1,509.38 km) |
| Castelo Branco to Morbegno | 964.13 mi (1,551.62 km) |
| Castelo Branco to Mori | 1,021.97 mi (1,644.69 km) |
| Castelo Branco to Morlupo | 1,053.28 mi (1,695.09 km) |
| Castelo Branco to Morrovalle | 1,113.18 mi (1,791.49 km) |
| Castelo Branco to Mortara | 906.38 mi (1,458.68 km) |
| Castelo Branco to Mosciano Sant'Angelo | 1,125.41 mi (1,811.16 km) |
| Castelo Branco to Motta di Livenza | 1,095.78 mi (1,763.48 km) |
| Castelo Branco to Motta Sant'Anastasia | 1,219.42 mi (1,962.47 km) |
| Castelo Branco to Mottola | 1,291.26 mi (2,078.08 km) |
