| Onex to Corato | 620.47 mi (998.54 km) |
| Onex to Corbetta | 144.36 mi (232.33 km) |
| Onex to Corciano | 369.63 mi (594.87 km) |
| Onex to Cordenons | 316.51 mi (509.37 km) |
| Onex to Cori | 461.56 mi (742.81 km) |
| Onex to Coriano | 352.04 mi (566.56 km) |
| Onex to Corigliano Calabro | 695.34 mi (1,119.03 km) |
| Onex to Corleone | 685.51 mi (1,103.23 km) |
| Onex to Cormano | 153.88 mi (247.65 km) |
| Onex to Cornaredo | 148.86 mi (239.57 km) |
| Onex to Cornate d'Adda | 165.96 mi (267.09 km) |
| Onex to Cornedo Vicentino | 255.40 mi (411.03 km) |
| Onex to Correggio | 246.91 mi (397.36 km) |
| Onex to Corridonia | 416.49 mi (670.28 km) |
| Onex to Corsico | 154.24 mi (248.23 km) |
