| Castelo Branco to Minervino Murge | 1,239.19 mi (1,994.28 km) |
| Castelo Branco to Minturno | 1,117.44 mi (1,798.35 km) |
| Castelo Branco to Mira | 1,067.55 mi (1,718.06 km) |
| Castelo Branco to Mirandola | 1,007.88 mi (1,622.03 km) |
| Castelo Branco to Mirano | 1,067.09 mi (1,717.32 km) |
| Castelo Branco to Misano Adriatico | 1,074.72 mi (1,729.60 km) |
| Castelo Branco to Misilmeri | 1,130.22 mi (1,818.92 km) |
| Castelo Branco to Missaglia | 943.27 mi (1,518.05 km) |
| Castelo Branco to Misterbianco | 1,221.24 mi (1,965.39 km) |
| Castelo Branco to Modena | 997.30 mi (1,605.00 km) |
| Castelo Branco to Modica | 1,220.19 mi (1,963.70 km) |
| Castelo Branco to Modugno | 1,275.63 mi (2,052.93 km) |
| Castelo Branco to Mogliano Veneto | 1,074.56 mi (1,729.34 km) |
| Castelo Branco to Molfetta | 1,265.57 mi (2,036.74 km) |
| Castelo Branco to Molinella | 1,032.43 mi (1,661.53 km) |
