| Opwijk to Coin | 1,081.89 mi (1,741.13 km) |
| Opwijk to Colindres | 633.30 mi (1,019.19 km) |
| Opwijk to Collado-Villalba | 814.58 mi (1,310.95 km) |
| Opwijk to Colmenar Viejo | 807.47 mi (1,299.49 km) |
| Opwijk to Colmenarejo | 819.28 mi (1,318.51 km) |
| Opwijk to Conil de la Frontera | 1,135.60 mi (1,827.56 km) |
| Opwijk to Consuegra | 879.52 mi (1,415.45 km) |
| Opwijk to Corbera de Llobregat | 668.47 mi (1,075.80 km) |
| Opwijk to Cordoba | 1,004.55 mi (1,616.66 km) |
| Opwijk to Coria del Rio | 1,070.70 mi (1,723.13 km) |
| Opwijk to Crevillente | 911.86 mi (1,467.49 km) |
| Opwijk to Cuarte de Huerva | 692.15 mi (1,113.90 km) |
| Opwijk to Cubellas | 684.66 mi (1,101.85 km) |
| Opwijk to Cuellar | 774.76 mi (1,246.85 km) |
| Opwijk to Cuenca | 812.39 mi (1,307.42 km) |
