| Den Helder to Coin | 1,214.11 mi (1,953.92 km) |
| Den Helder to Colindres | 758.43 mi (1,220.57 km) |
| Den Helder to Collado-Villalba | 943.85 mi (1,518.99 km) |
| Den Helder to Colmenar Viejo | 937.33 mi (1,508.49 km) |
| Den Helder to Colmenarejo | 948.65 mi (1,526.70 km) |
| Den Helder to Conil de la Frontera | 1,265.62 mi (2,036.83 km) |
| Den Helder to Consuegra | 1,011.32 mi (1,627.57 km) |
| Den Helder to Corbera de Llobregat | 806.48 mi (1,297.90 km) |
| Den Helder to Cordoba | 1,135.56 mi (1,827.51 km) |
| Den Helder to Coria del Rio | 1,199.67 mi (1,930.68 km) |
| Den Helder to Crevillente | 1,048.82 mi (1,687.90 km) |
| Den Helder to Cuarte de Huerva | 827.36 mi (1,331.50 km) |
| Den Helder to Cubellas | 822.64 mi (1,323.91 km) |
| Den Helder to Cuellar | 901.79 mi (1,451.28 km) |
| Den Helder to Cuenca | 946.56 mi (1,523.34 km) |
