| Olgiate Olona to Chitila | 836.35 mi (1,345.98 km) |
| Olgiate Olona to Cisnadie | 736.00 mi (1,184.48 km) |
| Olgiate Olona to Cluj-Napoca | 706.29 mi (1,136.66 km) |
| Olgiate Olona to Codlea | 798.23 mi (1,284.62 km) |
| Olgiate Olona to Comanesti | 842.71 mi (1,356.21 km) |
| Olgiate Olona to Comarnic | 811.05 mi (1,305.26 km) |
| Olgiate Olona to Constanta | 969.40 mi (1,560.11 km) |
| Olgiate Olona to Corabia | 776.47 mi (1,249.61 km) |
| Olgiate Olona to Costesti | 781.00 mi (1,256.90 km) |
| Olgiate Olona to Covasna | 832.81 mi (1,340.27 km) |
| Olgiate Olona to Craiova | 734.22 mi (1,181.61 km) |
| Olgiate Olona to Cristuru Secuiesc | 775.75 mi (1,248.44 km) |
| Olgiate Olona to Cugir | 697.47 mi (1,122.47 km) |
| Olgiate Olona to Cumpana | 966.50 mi (1,555.43 km) |
| Olgiate Olona to Curtea de Arges | 766.03 mi (1,232.80 km) |
