| Olgiate Olona to Coin | 939.42 mi (1,511.84 km) |
| Olgiate Olona to Colindres | 626.19 mi (1,007.76 km) |
| Olgiate Olona to Collado-Villalba | 734.89 mi (1,182.69 km) |
| Olgiate Olona to Colmenar Viejo | 723.21 mi (1,163.89 km) |
| Olgiate Olona to Colmenarejo | 737.96 mi (1,187.63 km) |
| Olgiate Olona to Conil de la Frontera | 1,011.39 mi (1,627.67 km) |
| Olgiate Olona to Consuegra | 764.13 mi (1,229.74 km) |
| Olgiate Olona to Corbera de Llobregat | 453.75 mi (730.24 km) |
| Olgiate Olona to Cordoba | 882.56 mi (1,420.35 km) |
| Olgiate Olona to Coria del Rio | 962.16 mi (1,548.45 km) |
| Olgiate Olona to Crevillente | 712.05 mi (1,145.94 km) |
| Olgiate Olona to Cuarte de Huerva | 563.94 mi (907.57 km) |
| Olgiate Olona to Cubellas | 473.27 mi (761.66 km) |
| Olgiate Olona to Cuellar | 721.86 mi (1,161.71 km) |
| Olgiate Olona to Cuenca | 677.47 mi (1,090.27 km) |
