| Kastamonu to Cocentaina | 1,806.76 mi (2,907.70 km) |
| Kastamonu to Coin | 2,076.14 mi (3,341.23 km) |
| Kastamonu to Colindres | 1,889.01 mi (3,040.08 km) |
| Kastamonu to Collado-Villalba | 1,955.06 mi (3,146.37 km) |
| Kastamonu to Colmenar Viejo | 1,942.30 mi (3,125.83 km) |
| Kastamonu to Colmenarejo | 1,956.73 mi (3,149.05 km) |
| Kastamonu to Conil de la Frontera | 2,155.20 mi (3,468.46 km) |
| Kastamonu to Consuegra | 1,955.61 mi (3,147.25 km) |
| Kastamonu to Corbera de Llobregat | 1,641.10 mi (2,641.10 km) |
| Kastamonu to Cordoba | 2,048.85 mi (3,297.30 km) |
| Kastamonu to Coria del Rio | 2,128.32 mi (3,425.19 km) |
| Kastamonu to Crevillente | 1,835.97 mi (2,954.71 km) |
| Kastamonu to Cuarte de Huerva | 1,783.64 mi (2,870.50 km) |
| Kastamonu to Cubellas | 1,656.94 mi (2,666.58 km) |
| Kastamonu to Cuellar | 1,958.20 mi (3,151.43 km) |
