| Castelo Branco to Coin | 263.86 mi (424.64 km) |
| Castelo Branco to Colindres | 323.95 mi (521.35 km) |
| Castelo Branco to Collado-Villalba | 192.63 mi (310.01 km) |
| Castelo Branco to Colmenar Viejo | 205.35 mi (330.48 km) |
| Castelo Branco to Colmenarejo | 190.88 mi (307.20 km) |
| Castelo Branco to Conil de la Frontera | 257.10 mi (413.76 km) |
| Castelo Branco to Consuegra | 208.60 mi (335.70 km) |
| Castelo Branco to Corbera de Llobregat | 506.58 mi (815.26 km) |
| Castelo Branco to Cordoba | 198.10 mi (318.81 km) |
| Castelo Branco to Coria del Rio | 191.77 mi (308.62 km) |
| Castelo Branco to Crevillente | 375.00 mi (603.50 km) |
| Castelo Branco to Cuarte de Huerva | 365.69 mi (588.53 km) |
| Castelo Branco to Cubellas | 491.15 mi (790.42 km) |
| Castelo Branco to Cuellar | 199.77 mi (321.50 km) |
| Castelo Branco to Cuenca | 283.89 mi (456.88 km) |
