| Olgiate Olona to Calafell | 477.72 mi (768.82 km) |
| Olgiate Olona to Calahorra | 586.04 mi (943.14 km) |
| Olgiate Olona to Calasparra | 745.49 mi (1,199.75 km) |
| Olgiate Olona to Calatayud | 603.84 mi (971.79 km) |
| Olgiate Olona to Caldas de Montbuy | 434.69 mi (699.57 km) |
| Olgiate Olona to Caldas de Reyes | 892.00 mi (1,435.54 km) |
| Olgiate Olona to Calella | 416.61 mi (670.47 km) |
| Olgiate Olona to Callosa de Segura | 721.15 mi (1,160.58 km) |
| Olgiate Olona to Calpe | 661.18 mi (1,064.07 km) |
| Olgiate Olona to Calvia | 529.70 mi (852.46 km) |
| Olgiate Olona to Camas | 956.05 mi (1,538.61 km) |
| Olgiate Olona to Cambados | 902.15 mi (1,451.87 km) |
| Olgiate Olona to Cambre | 862.66 mi (1,388.32 km) |
| Olgiate Olona to Cambrils | 503.75 mi (810.71 km) |
| Olgiate Olona to Campo de Criptana | 746.35 mi (1,201.14 km) |
