| Olgiate Olona to Celano | 337.94 mi (543.86 km) |
| Olgiate Olona to Cento | 132.38 mi (213.05 km) |
| Olgiate Olona to Cepagatti | 342.37 mi (551.00 km) |
| Olgiate Olona to Ceprano | 365.05 mi (587.49 km) |
| Olgiate Olona to Cercola | 428.91 mi (690.27 km) |
| Olgiate Olona to Cerea | 117.06 mi (188.39 km) |
| Olgiate Olona to Cerese | 99.21 mi (159.66 km) |
| Olgiate Olona to Cerignola | 463.25 mi (745.53 km) |
| Olgiate Olona to Cermenate | 10.70 mi (17.22 km) |
| Olgiate Olona to Cernusco sul Naviglio | 23.21 mi (37.35 km) |
| Olgiate Olona to Cerreto Guidi | 162.10 mi (260.88 km) |
| Olgiate Olona to Cerro Maggiore | 3.96 mi (6.37 km) |
| Olgiate Olona to Certaldo | 178.97 mi (288.02 km) |
| Olgiate Olona to Cerveteri | 297.83 mi (479.31 km) |
| Olgiate Olona to Cervia | 194.55 mi (313.09 km) |
