| Castelo Branco to Naron | 260.11 mi (418.61 km) |
| Castelo Branco to Navalcarnero | 187.19 mi (301.26 km) |
| Castelo Branco to Navalmoral de la Mata | 104.09 mi (167.52 km) |
| Castelo Branco to Nerja | 289.01 mi (465.11 km) |
| Castelo Branco to Nigran | 174.49 mi (280.81 km) |
| Castelo Branco to Nijar | 347.97 mi (560.00 km) |
| Castelo Branco to Novelda | 374.17 mi (602.16 km) |
| Castelo Branco to Noya | 217.18 mi (349.51 km) |
| Castelo Branco to Nules | 389.83 mi (627.37 km) |
| Castelo Branco to Ocana | 212.44 mi (341.89 km) |
| Castelo Branco to Ogijares | 281.58 mi (453.15 km) |
| Castelo Branco to Oleiros | 246.61 mi (396.88 km) |
| Castelo Branco to Olesa de Montserrat | 506.23 mi (814.70 km) |
| Castelo Branco to Oliva | 398.87 mi (641.92 km) |
| Castelo Branco to Olivares | 181.13 mi (291.49 km) |
