| Castelo Branco to Lagoa | 982.64 mi (1,581.41 km) |
| Castelo Branco to Lagos | 197.95 mi (318.57 km) |
| Castelo Branco to Lamego | 90.21 mi (145.17 km) |
| Castelo Branco to Leiria | 69.18 mi (111.33 km) |
| Castelo Branco to Lisbon | 116.08 mi (186.81 km) |
| Castelo Branco to Loule | 186.22 mi (299.70 km) |
| Castelo Branco to Loures | 112.03 mi (180.30 km) |
| Castelo Branco to Lourinha | 104.05 mi (167.46 km) |
| Castelo Branco to Lousa | 44.52 mi (71.65 km) |
| Castelo Branco to Lousada | 109.60 mi (176.38 km) |
| Castelo Branco to Macedo de Cavaleiros | 122.30 mi (196.82 km) |
| Castelo Branco to Mafamude | 106.84 mi (171.94 km) |
| Castelo Branco to Mafra | 115.03 mi (185.12 km) |
| Castelo Branco to Maia | 114.10 mi (183.63 km) |
| Castelo Branco to Mangualde | 56.13 mi (90.33 km) |
