| Oregon to Cognac | 3,968.19 mi (6,386.19 km) |
| Oregon to Cogolin | 4,345.01 mi (6,992.62 km) |
| Oregon to Colmar | 4,201.72 mi (6,762.02 km) |
| Oregon to Colombes | 3,969.81 mi (6,388.79 km) |
| Oregon to Colomiers | 4,110.00 mi (6,614.40 km) |
| Oregon to Combs-la-Ville | 3,990.41 mi (6,421.95 km) |
| Oregon to Comines | 3,940.87 mi (6,342.21 km) |
| Oregon to Compiegne | 3,976.71 mi (6,399.89 km) |
| Oregon to Concarneau | 3,748.79 mi (6,033.10 km) |
| Oregon to Conde-sur-l'Escaut | 3,973.49 mi (6,394.71 km) |
| Oregon to Conflans-Sainte-Honorine | 3,961.20 mi (6,374.93 km) |
| Oregon to Corbas | 4,188.53 mi (6,740.79 km) |
| Oregon to Corbeil-Essonnes | 3,989.10 mi (6,419.84 km) |
| Oregon to Cormeilles-en-Parisis | 3,966.15 mi (6,382.90 km) |
| Oregon to Cosne sur Loire | 4,046.93 mi (6,512.91 km) |
