| Oswego to Cognac | 4,172.77 mi (6,715.43 km) |
| Oswego to Cogolin | 4,548.07 mi (7,319.40 km) |
| Oswego to Colmar | 4,391.20 mi (7,066.95 km) |
| Oswego to Colombes | 4,162.66 mi (6,699.16 km) |
| Oswego to Colomiers | 4,318.10 mi (6,949.31 km) |
| Oswego to Combs-la-Ville | 4,183.67 mi (6,732.97 km) |
| Oswego to Comines | 4,127.40 mi (6,642.42 km) |
| Oswego to Compiegne | 4,167.51 mi (6,706.95 km) |
| Oswego to Concarneau | 3,950.97 mi (6,358.48 km) |
| Oswego to Conde-sur-l'Escaut | 4,160.36 mi (6,695.44 km) |
| Oswego to Conflans-Sainte-Honorine | 4,153.99 mi (6,685.21 km) |
| Oswego to Corbas | 4,387.42 mi (7,060.87 km) |
| Oswego to Corbeil-Essonnes | 4,182.61 mi (6,731.26 km) |
| Oswego to Cormeilles-en-Parisis | 4,158.91 mi (6,693.12 km) |
| Oswego to Cosne sur Loire | 4,243.36 mi (6,829.03 km) |
