| Olgiate Olona to Chivasso | 57.17 mi (92.00 km) |
| Olgiate Olona to Ciampino | 323.33 mi (520.35 km) |
| Olgiate Olona to Cicciano | 429.52 mi (691.24 km) |
| Olgiate Olona to Cingoli | 264.76 mi (426.09 km) |
| Olgiate Olona to Cinisello Balsamo | 17.12 mi (27.55 km) |
| Olgiate Olona to Cinisi | 559.40 mi (900.27 km) |
| Olgiate Olona to Cirie | 68.01 mi (109.45 km) |
| Olgiate Olona to Ciro Marina | 602.44 mi (969.53 km) |
| Olgiate Olona to Cislago | 4.19 mi (6.74 km) |
| Olgiate Olona to Cisterna di Latina | 341.90 mi (550.23 km) |
| Olgiate Olona to Cisternino | 547.35 mi (880.88 km) |
| Olgiate Olona to Citta di Castello | 223.38 mi (359.49 km) |
| Olgiate Olona to Citta Sant'Angelo | 334.76 mi (538.74 km) |
| Olgiate Olona to Cittadella | 140.08 mi (225.44 km) |
| Olgiate Olona to Cittanova | 623.89 mi (1,004.05 km) |
