| Sinaia to Cervello | 1,211.26 mi (1,949.34 km) |
| Sinaia to Cervera | 1,238.06 mi (1,992.47 km) |
| Sinaia to Ceuti | 1,463.57 mi (2,355.38 km) |
| Sinaia to Cheste | 1,391.29 mi (2,239.07 km) |
| Sinaia to Chiclana de la Frontera | 1,753.54 mi (2,822.04 km) |
| Sinaia to Chipiona | 1,756.13 mi (2,826.22 km) |
| Sinaia to Chiva | 1,393.24 mi (2,242.20 km) |
| Sinaia to Churriana de la Vega | 1,608.47 mi (2,588.58 km) |
| Sinaia to Ciempozuelos | 1,513.70 mi (2,436.06 km) |
| Sinaia to Cieza | 1,465.30 mi (2,358.17 km) |
| Sinaia to Cisterniga | 1,528.23 mi (2,459.45 km) |
| Sinaia to Ciudad de Melilla | 1,643.17 mi (2,644.43 km) |
| Sinaia to Ciudad Real | 1,562.03 mi (2,513.85 km) |
| Sinaia to Ciudad-Rodrigo | 1,643.74 mi (2,645.35 km) |
| Sinaia to Cocentaina | 1,402.20 mi (2,256.63 km) |
