| Castelo Branco to Calne | 845.10 mi (1,360.06 km) |
| Castelo Branco to Cam | 857.09 mi (1,379.36 km) |
| Castelo Branco to Camberley | 859.44 mi (1,383.13 km) |
| Castelo Branco to Camborne | 726.22 mi (1,168.74 km) |
| Castelo Branco to Cambridge | 929.55 mi (1,495.96 km) |
| Castelo Branco to Cambuslang | 1,116.09 mi (1,796.17 km) |
| Castelo Branco to Canford Cliffs | 798.69 mi (1,285.37 km) |
| Castelo Branco to Cannock | 926.48 mi (1,491.03 km) |
| Castelo Branco to Canterbury | 892.83 mi (1,436.87 km) |
| Castelo Branco to Carlisle | 1,062.57 mi (1,710.05 km) |
| Castelo Branco to Carlton Colville | 975.95 mi (1,570.64 km) |
| Castelo Branco to Carluke | 1,112.48 mi (1,790.37 km) |
| Castelo Branco to Carnoustie | 1,173.02 mi (1,887.79 km) |
| Castelo Branco to Carshalton | 872.08 mi (1,403.47 km) |
| Castelo Branco to Carterton | 872.22 mi (1,403.71 km) |
