| Douarnenez to Cartagena | 744.32 mi (1,197.87 km) |
| Douarnenez to Cartama | 786.48 mi (1,265.72 km) |
| Douarnenez to Cartaya | 760.29 mi (1,223.56 km) |
| Douarnenez to Caspe | 518.61 mi (834.62 km) |
| Douarnenez to Cassa de la Selva | 554.12 mi (891.77 km) |
| Douarnenez to Castalla | 681.14 mi (1,096.20 km) |
| Douarnenez to Castellbisbal | 551.62 mi (887.75 km) |
| Douarnenez to Castelldefels | 563.06 mi (906.15 km) |
| Douarnenez to Castello de Ampurias | 540.39 mi (869.67 km) |
| Douarnenez to Castellon de la Plana | 599.31 mi (964.50 km) |
| Douarnenez to Castilleja de la Cuesta | 744.99 mi (1,198.94 km) |
| Douarnenez to Catarroja | 631.32 mi (1,016.02 km) |
| Douarnenez to Catral | 708.73 mi (1,140.60 km) |
| Douarnenez to Caudete | 669.81 mi (1,077.95 km) |
| Douarnenez to Cehegin | 702.51 mi (1,130.58 km) |
