| Onalaska to Corato | 5,045.23 mi (8,119.52 km) |
| Onalaska to Corbetta | 4,566.23 mi (7,348.64 km) |
| Onalaska to Corciano | 4,797.44 mi (7,720.74 km) |
| Onalaska to Cordenons | 4,683.08 mi (7,536.69 km) |
| Onalaska to Cori | 4,890.04 mi (7,869.77 km) |
| Onalaska to Coriano | 4,771.17 mi (7,678.45 km) |
| Onalaska to Corigliano Calabro | 5,124.41 mi (8,246.94 km) |
| Onalaska to Corleone | 5,084.86 mi (8,183.30 km) |
| Onalaska to Cormano | 4,571.99 mi (7,357.90 km) |
| Onalaska to Cornaredo | 4,569.16 mi (7,353.36 km) |
| Onalaska to Cornate d'Adda | 4,578.84 mi (7,368.94 km) |
| Onalaska to Cornedo Vicentino | 4,650.20 mi (7,483.78 km) |
| Onalaska to Correggio | 4,666.95 mi (7,510.72 km) |
| Onalaska to Corridonia | 4,838.36 mi (7,786.59 km) |
| Onalaska to Corsico | 4,575.21 mi (7,363.08 km) |
