| Onalaska to Cognac | 4,198.40 mi (6,756.67 km) |
| Onalaska to Cogolin | 4,570.46 mi (7,355.45 km) |
| Onalaska to Colmar | 4,396.44 mi (7,075.38 km) |
| Onalaska to Colombes | 4,172.87 mi (6,715.58 km) |
| Onalaska to Colomiers | 4,348.21 mi (6,997.76 km) |
| Onalaska to Combs-la-Ville | 4,194.32 mi (6,750.10 km) |
| Onalaska to Comines | 4,129.91 mi (6,646.45 km) |
| Onalaska to Compiegne | 4,175.11 mi (6,719.19 km) |
| Onalaska to Concarneau | 3,974.06 mi (6,395.63 km) |
| Onalaska to Conde-sur-l'Escaut | 4,163.15 mi (6,699.94 km) |
| Onalaska to Conflans-Sainte-Honorine | 4,164.16 mi (6,701.57 km) |
| Onalaska to Corbas | 4,404.70 mi (7,088.68 km) |
| Onalaska to Corbeil-Essonnes | 4,193.57 mi (6,748.90 km) |
| Onalaska to Cormeilles-en-Parisis | 4,169.01 mi (6,709.37 km) |
| Onalaska to Cosne sur Loire | 4,257.88 mi (6,852.39 km) |
