| Olgiate Olona to Collegno | 74.33 mi (119.63 km) |
| Olgiate Olona to Cologno al Serio | 39.63 mi (63.77 km) |
| Olgiate Olona to Cologno Monzese | 20.43 mi (32.87 km) |
| Olgiate Olona to Colorno | 87.50 mi (140.82 km) |
| Olgiate Olona to Comacchio | 173.19 mi (278.72 km) |
| Olgiate Olona to Comiso | 668.91 mi (1,076.50 km) |
| Olgiate Olona to Como | 15.66 mi (25.20 km) |
| Olgiate Olona to Concordia Sagittaria | 191.62 mi (308.38 km) |
| Olgiate Olona to Concorezzo | 22.08 mi (35.54 km) |
| Olgiate Olona to Conegliano | 165.49 mi (266.33 km) |
| Olgiate Olona to Conselice | 163.29 mi (262.80 km) |
| Olgiate Olona to Conselve | 147.26 mi (236.99 km) |
| Olgiate Olona to Conversano | 524.29 mi (843.76 km) |
| Olgiate Olona to Copertino | 592.98 mi (954.30 km) |
| Olgiate Olona to Copparo | 152.13 mi (244.82 km) |
