| Oswego to Coudekerque-Branche | 4,095.03 mi (6,590.31 km) |
| Oswego to Coueron | 4,062.71 mi (6,538.30 km) |
| Oswego to Coulommiers | 4,198.91 mi (6,757.50 km) |
| Oswego to Courbevoic | 4,163.61 mi (6,700.68 km) |
| Oswego to Courcouronnes | 4,180.19 mi (6,727.37 km) |
| Oswego to Cournon-d'Auvergne | 4,315.73 mi (6,945.50 km) |
| Oswego to Courrieres | 4,135.65 mi (6,655.69 km) |
| Oswego to Coutras | 4,204.45 mi (6,766.41 km) |
| Oswego to Couzeix | 4,230.92 mi (6,809.01 km) |
| Oswego to Cran-Gevrier | 4,426.46 mi (7,123.71 km) |
| Oswego to Craponne | 4,377.29 mi (7,044.57 km) |
| Oswego to Creil | 4,159.87 mi (6,694.67 km) |
| Oswego to Crepy-en-Valois | 4,176.38 mi (6,721.24 km) |
| Oswego to Crest | 4,428.41 mi (7,126.84 km) |
| Oswego to Creteil | 4,175.57 mi (6,719.93 km) |
