| Castelo Branco to Manavgat | 2,104.80 mi (3,387.35 km) |
| Castelo Branco to Manisa | 1,859.12 mi (2,991.97 km) |
| Castelo Branco to Mardin | 2,579.92 mi (4,151.98 km) |
| Castelo Branco to Marmara Ereglisi | 1,854.60 mi (2,984.69 km) |
| Castelo Branco to Mazidagi | 2,563.28 mi (4,125.20 km) |
| Castelo Branco to Mecitozu | 2,237.47 mi (3,600.85 km) |
| Castelo Branco to Menderes | 1,850.29 mi (2,977.75 km) |
| Castelo Branco to Menemen | 1,840.97 mi (2,962.76 km) |
| Castelo Branco to Meram | 2,136.25 mi (3,437.95 km) |
| Castelo Branco to Mersin | 2,272.73 mi (3,657.61 km) |
| Castelo Branco to Merzifon | 2,240.63 mi (3,605.94 km) |
| Castelo Branco to Midyat | 2,610.49 mi (4,201.17 km) |
| Castelo Branco to Mugla | 1,934.29 mi (3,112.94 km) |
| Castelo Branco to Mus | 2,588.01 mi (4,164.99 km) |
| Castelo Branco to Mut | 2,213.31 mi (3,561.98 km) |
