| Sinop to Cocentaina | 1,873.18 mi (3,014.59 km) |
| Sinop to Coin | 2,144.05 mi (3,450.51 km) |
| Sinop to Colindres | 1,944.33 mi (3,129.09 km) |
| Sinop to Collado-Villalba | 2,016.19 mi (3,244.75 km) |
| Sinop to Colmenar Viejo | 2,003.48 mi (3,224.29 km) |
| Sinop to Colmenarejo | 2,018.00 mi (3,247.66 km) |
| Sinop to Conil de la Frontera | 2,223.05 mi (3,577.66 km) |
| Sinop to Consuegra | 2,019.21 mi (3,249.60 km) |
| Sinop to Corbera de Llobregat | 1,702.83 mi (2,740.44 km) |
| Sinop to Cordoba | 2,114.74 mi (3,403.35 km) |
| Sinop to Coria del Rio | 2,194.59 mi (3,531.84 km) |
| Sinop to Crevillente | 1,903.14 mi (3,062.81 km) |
| Sinop to Cuarte de Huerva | 1,843.95 mi (2,967.55 km) |
| Sinop to Cubellas | 1,719.06 mi (2,766.55 km) |
| Sinop to Cuellar | 2,017.64 mi (3,247.08 km) |
