| Sinaia to Coin | 1,677.79 mi (2,700.14 km) |
| Sinaia to Colindres | 1,430.78 mi (2,302.61 km) |
| Sinaia to Collado-Villalba | 1,519.92 mi (2,446.08 km) |
| Sinaia to Colmenar Viejo | 1,507.48 mi (2,426.06 km) |
| Sinaia to Colmenarejo | 1,522.24 mi (2,449.81 km) |
| Sinaia to Conil de la Frontera | 1,755.62 mi (2,825.40 km) |
| Sinaia to Consuegra | 1,532.83 mi (2,466.86 km) |
| Sinaia to Corbera de Llobregat | 1,212.08 mi (1,950.66 km) |
| Sinaia to Cordoba | 1,638.11 mi (2,636.28 km) |
| Sinaia to Coria del Rio | 1,719.05 mi (2,766.55 km) |
| Sinaia to Crevillente | 1,435.85 mi (2,310.78 km) |
| Sinaia to Cuarte de Huerva | 1,346.14 mi (2,166.41 km) |
| Sinaia to Cubellas | 1,229.72 mi (1,979.05 km) |
| Sinaia to Cuellar | 1,515.43 mi (2,438.85 km) |
| Sinaia to Cuenca | 1,445.13 mi (2,325.72 km) |
