| Sinaia to Cartagena | 1,465.91 mi (2,359.15 km) |
| Sinaia to Cartama | 1,670.52 mi (2,688.45 km) |
| Sinaia to Cartaya | 1,772.04 mi (2,851.83 km) |
| Sinaia to Caspe | 1,311.80 mi (2,111.14 km) |
| Sinaia to Cassa de la Selva | 1,155.12 mi (1,858.98 km) |
| Sinaia to Castalla | 1,417.95 mi (2,281.97 km) |
| Sinaia to Castellbisbal | 1,208.16 mi (1,944.34 km) |
| Sinaia to Castelldefels | 1,213.30 mi (1,952.62 km) |
| Sinaia to Castello de Ampurias | 1,137.08 mi (1,829.95 km) |
| Sinaia to Castellon de la Plana | 1,345.24 mi (2,164.95 km) |
| Sinaia to Castilleja de la Cuesta | 1,715.72 mi (2,761.19 km) |
| Sinaia to Catarroja | 1,380.13 mi (2,221.10 km) |
| Sinaia to Catral | 1,438.61 mi (2,315.22 km) |
| Sinaia to Caudete | 1,429.71 mi (2,300.89 km) |
| Sinaia to Cehegin | 1,488.28 mi (2,395.16 km) |
