| Olgiate Olona to Caltagirone | 648.84 mi (1,044.21 km) |
| Olgiate Olona to Caltanissetta | 622.75 mi (1,002.22 km) |
| Olgiate Olona to Calvisano | 73.51 mi (118.30 km) |
| Olgiate Olona to Calvizzano | 421.77 mi (678.77 km) |
| Olgiate Olona to Camaiore | 136.46 mi (219.61 km) |
| Olgiate Olona to Cameri | 14.57 mi (23.44 km) |
| Olgiate Olona to Camisano Vicentino | 137.26 mi (220.90 km) |
| Olgiate Olona to Campagna | 464.43 mi (747.42 km) |
| Olgiate Olona to Campagnano di Roma | 298.03 mi (479.63 km) |
| Olgiate Olona to Campi Bisenzio | 167.18 mi (269.05 km) |
| Olgiate Olona to Campi Salentina | 585.57 mi (942.38 km) |
| Olgiate Olona to Campiglia Marittima | 196.92 mi (316.91 km) |
| Olgiate Olona to Campobasso | 403.14 mi (648.79 km) |
| Olgiate Olona to Campobello di Licata | 634.86 mi (1,021.71 km) |
| Olgiate Olona to Campobello di Mazara | 587.52 mi (945.52 km) |
