| Castelo Branco to La Victoria de Acentejo | 937.72 mi (1,509.12 km) |
| Castelo Branco to Laguna de Duero | 190.13 mi (305.98 km) |
| Castelo Branco to Lalin | 198.37 mi (319.24 km) |
| Castelo Branco to Lardero | 318.16 mi (512.03 km) |
| Castelo Branco to Laredo | 326.14 mi (524.87 km) |
| Castelo Branco to Las Cabezas de San Juan | 213.29 mi (343.26 km) |
| Castelo Branco to Las Palmas | 925.78 mi (1,489.90 km) |
| Castelo Branco to Las Rozas de Madrid | 197.10 mi (317.21 km) |
| Castelo Branco to Las Torres de Cotillas | 358.24 mi (576.53 km) |
| Castelo Branco to Lebrija | 214.48 mi (345.18 km) |
| Castelo Branco to Leganes | 200.63 mi (322.88 km) |
| Castelo Branco to Leon | 217.23 mi (349.59 km) |
| Castelo Branco to Lepe | 177.78 mi (286.10 km) |
| Castelo Branco to Linares | 239.78 mi (385.90 km) |
| Castelo Branco to Liria | 367.05 mi (590.70 km) |
