| Onalaska to Cadiz | 4,307.92 mi (6,932.93 km) |
| Onalaska to Calafell | 4,457.12 mi (7,173.04 km) |
| Onalaska to Calahorra | 4,265.11 mi (6,864.03 km) |
| Onalaska to Calasparra | 4,441.77 mi (7,148.33 km) |
| Onalaska to Calatayud | 4,317.10 mi (6,947.70 km) |
| Onalaska to Caldas de Montbuy | 4,463.78 mi (7,183.75 km) |
| Onalaska to Caldas de Reyes | 3,970.15 mi (6,389.34 km) |
| Onalaska to Calella | 4,484.84 mi (7,217.66 km) |
| Onalaska to Callosa de Segura | 4,481.82 mi (7,212.79 km) |
| Onalaska to Calpe | 4,499.71 mi (7,241.59 km) |
| Onalaska to Calvia | 4,565.10 mi (7,346.81 km) |
| Onalaska to Camas | 4,284.79 mi (6,895.70 km) |
| Onalaska to Cambados | 3,966.94 mi (6,384.17 km) |
| Onalaska to Cambre | 3,958.41 mi (6,370.44 km) |
| Onalaska to Cambrils | 4,441.36 mi (7,147.68 km) |
