| Castelo Branco to Cay | 2,048.46 mi (3,296.68 km) |
| Castelo Branco to Caybasi | 2,321.52 mi (3,736.13 km) |
| Castelo Branco to Caycuma | 2,060.35 mi (3,315.81 km) |
| Castelo Branco to Cayeli | 2,504.06 mi (4,029.90 km) |
| Castelo Branco to Cayiralan | 2,275.72 mi (3,662.42 km) |
| Castelo Branco to Cayirhan | 2,058.16 mi (3,312.29 km) |
| Castelo Branco to Cayirli | 2,492.19 mi (4,010.79 km) |
| Castelo Branco to Cayirova | 1,929.32 mi (3,104.95 km) |
| Castelo Branco to Caykara | 2,485.60 mi (4,000.19 km) |
| Castelo Branco to Cekerek | 2,254.84 mi (3,628.81 km) |
| Castelo Branco to Cekme | 1,916.74 mi (3,084.69 km) |
| Castelo Branco to Celtik | 2,080.80 mi (3,348.73 km) |
| Castelo Branco to Cerkes | 2,110.02 mi (3,395.76 km) |
| Castelo Branco to Cerkezkoy | 1,853.49 mi (2,982.91 km) |
| Castelo Branco to Cermik | 2,495.33 mi (4,015.85 km) |
