| Duchcov to Cartagena | 1,153.72 mi (1,856.74 km) |
| Duchcov to Cartama | 1,321.47 mi (2,126.71 km) |
| Duchcov to Cartaya | 1,379.67 mi (2,220.37 km) |
| Duchcov to Caspe | 923.41 mi (1,486.08 km) |
| Duchcov to Cassa de la Selva | 793.58 mi (1,277.15 km) |
| Duchcov to Castalla | 1,087.56 mi (1,750.26 km) |
| Duchcov to Castellbisbal | 844.16 mi (1,358.55 km) |
| Duchcov to Castelldefels | 855.13 mi (1,376.20 km) |
| Duchcov to Castello de Ampurias | 767.07 mi (1,234.49 km) |
| Duchcov to Castellon de la Plana | 990.33 mi (1,593.78 km) |
| Duchcov to Castilleja de la Cuesta | 1,334.79 mi (2,148.14 km) |
| Duchcov to Catarroja | 1,034.19 mi (1,664.37 km) |
| Duchcov to Catral | 1,116.42 mi (1,796.70 km) |
| Duchcov to Caudete | 1,091.60 mi (1,756.76 km) |
| Duchcov to Cehegin | 1,151.68 mi (1,853.45 km) |
