| Castelo Branco to Mombris | 1,075.42 mi (1,730.72 km) |
| Castelo Branco to Monchengladbach | 1,032.70 mi (1,661.96 km) |
| Castelo Branco to Monschau | 996.65 mi (1,603.96 km) |
| Castelo Branco to Montabaur | 1,043.33 mi (1,679.08 km) |
| Castelo Branco to Moosburg | 1,128.96 mi (1,816.88 km) |
| Castelo Branco to Morbach | 992.00 mi (1,596.47 km) |
| Castelo Branco to Morfelden-Walldorf | 1,051.63 mi (1,692.44 km) |
| Castelo Branco to Morlenbach | 1,041.31 mi (1,675.83 km) |
| Castelo Branco to Morsbach | 1,058.52 mi (1,703.53 km) |
| Castelo Branco to Mosbach | 1,047.24 mi (1,685.37 km) |
| Castelo Branco to Mosigkau | 1,254.43 mi (2,018.82 km) |
| Castelo Branco to Mossingen | 1,009.85 mi (1,625.19 km) |
| Castelo Branco to Much | 1,050.31 mi (1,690.31 km) |
| Castelo Branco to Mucheln | 1,218.62 mi (1,961.18 km) |
| Castelo Branco to Muhlacker | 1,020.63 mi (1,642.55 km) |
