| Oconomowoc to Cognac | 4,121.32 mi (6,632.63 km) |
| Oconomowoc to Cogolin | 4,495.48 mi (7,234.78 km) |
| Oconomowoc to Colmar | 4,331.94 mi (6,971.58 km) |
| Oconomowoc to Colombes | 4,105.18 mi (6,606.64 km) |
| Oconomowoc to Colomiers | 4,268.53 mi (6,869.54 km) |
| Oconomowoc to Combs-la-Ville | 4,126.36 mi (6,640.74 km) |
| Oconomowoc to Comines | 4,067.02 mi (6,545.23 km) |
| Oconomowoc to Compiegne | 4,109.04 mi (6,612.86 km) |
| Oconomowoc to Concarneau | 3,898.41 mi (6,273.88 km) |
| Oconomowoc to Conde-sur-l'Escaut | 4,100.09 mi (6,598.45 km) |
| Oconomowoc to Conflans-Sainte-Honorine | 4,096.49 mi (6,592.66 km) |
| Oconomowoc to Corbas | 4,332.76 mi (6,972.90 km) |
| Oconomowoc to Corbeil-Essonnes | 4,125.42 mi (6,639.22 km) |
| Oconomowoc to Cormeilles-en-Parisis | 4,101.38 mi (6,600.54 km) |
| Oconomowoc to Cosne sur Loire | 4,187.56 mi (6,739.23 km) |
