| Tulcea to Cartagena | 1,619.42 mi (2,606.20 km) |
| Tulcea to Cartama | 1,825.07 mi (2,937.17 km) |
| Tulcea to Cartaya | 1,928.35 mi (3,103.38 km) |
| Tulcea to Caspe | 1,469.30 mi (2,364.60 km) |
| Tulcea to Cassa de la Selva | 1,312.50 mi (2,112.26 km) |
| Tulcea to Castalla | 1,572.75 mi (2,531.10 km) |
| Tulcea to Castellbisbal | 1,365.37 mi (2,197.35 km) |
| Tulcea to Castelldefels | 1,370.32 mi (2,205.31 km) |
| Tulcea to Castello de Ampurias | 1,294.73 mi (2,083.67 km) |
| Tulcea to Castellon de la Plana | 1,501.52 mi (2,416.46 km) |
| Tulcea to Castilleja de la Cuesta | 1,871.69 mi (3,012.20 km) |
| Tulcea to Catarroja | 1,535.86 mi (2,471.73 km) |
| Tulcea to Catral | 1,592.86 mi (2,563.46 km) |
| Tulcea to Caudete | 1,584.83 mi (2,550.53 km) |
| Tulcea to Cehegin | 1,643.02 mi (2,644.18 km) |
