| Castelo Branco to Menges | 1,193.49 mi (1,920.73 km) |
| Castelo Branco to Metlika | 1,221.23 mi (1,965.38 km) |
| Castelo Branco to Mezica | 1,212.69 mi (1,951.63 km) |
| Castelo Branco to Miklavz na Dravskem Polju | 1,251.49 mi (2,014.08 km) |
| Castelo Branco to Miren | 1,144.33 mi (1,841.63 km) |
| Castelo Branco to Mirna | 1,213.43 mi (1,952.83 km) |
| Castelo Branco to Mirna Pec | 1,213.12 mi (1,952.33 km) |
| Castelo Branco to Mislinja | 1,227.06 mi (1,974.76 km) |
| Castelo Branco to Mokronog | 1,217.24 mi (1,958.96 km) |
| Castelo Branco to Moravce | 1,201.24 mi (1,933.21 km) |
| Castelo Branco to Moravske-Toplice | 1,278.89 mi (2,058.17 km) |
| Castelo Branco to Mozirje | 1,214.42 mi (1,954.42 km) |
| Castelo Branco to Murska Sobota | 1,275.64 mi (2,052.95 km) |
| Castelo Branco to Muta | 1,228.74 mi (1,977.47 km) |
| Castelo Branco to Naklo | 1,183.74 mi (1,905.05 km) |
