| Onex to Caltagirone | 754.24 mi (1,213.83 km) |
| Onex to Caltanissetta | 726.32 mi (1,168.91 km) |
| Onex to Calvisano | 212.58 mi (342.11 km) |
| Onex to Calvizzano | 544.60 mi (876.45 km) |
| Onex to Camaiore | 257.21 mi (413.94 km) |
| Onex to Cameri | 131.50 mi (211.63 km) |
| Onex to Camisano Vicentino | 274.14 mi (441.19 km) |
| Onex to Campagna | 590.31 mi (950.02 km) |
| Onex to Campagnano di Roma | 418.46 mi (673.44 km) |
| Onex to Campi Bisenzio | 295.22 mi (475.11 km) |
| Onex to Campi Salentina | 719.10 mi (1,157.28 km) |
| Onex to Campiglia Marittima | 309.26 mi (497.71 km) |
| Onex to Campobasso | 532.22 mi (856.53 km) |
| Onex to Campobello di Licata | 736.39 mi (1,185.10 km) |
| Onex to Campobello di Mazara | 681.99 mi (1,097.55 km) |
