| Castelo Branco to Calafell | 485.69 mi (781.64 km) |
| Castelo Branco to Calahorra | 335.37 mi (539.73 km) |
| Castelo Branco to Calasparra | 329.98 mi (531.05 km) |
| Castelo Branco to Calatayud | 325.48 mi (523.82 km) |
| Castelo Branco to Caldas de Montbuy | 521.22 mi (838.82 km) |
| Castelo Branco to Caldas de Reyes | 201.38 mi (324.09 km) |
| Castelo Branco to Calella | 546.27 mi (879.13 km) |
| Castelo Branco to Callosa de Segura | 374.29 mi (602.37 km) |
| Castelo Branco to Calpe | 411.67 mi (662.51 km) |
| Castelo Branco to Calvia | 531.97 mi (856.13 km) |
| Castelo Branco to Camas | 184.67 mi (297.20 km) |
| Castelo Branco to Cambados | 197.34 mi (317.59 km) |
| Castelo Branco to Cambre | 243.34 mi (391.61 km) |
| Castelo Branco to Cambrils | 457.95 mi (737.00 km) |
| Castelo Branco to Campo de Criptana | 235.07 mi (378.31 km) |
