| Oswego to Cocentaina | 4,425.45 mi (7,122.07 km) |
| Oswego to Coin | 4,308.15 mi (6,933.30 km) |
| Oswego to Colindres | 4,121.61 mi (6,633.09 km) |
| Oswego to Collado-Villalba | 4,195.36 mi (6,751.79 km) |
| Oswego to Colmenar Viejo | 4,205.26 mi (6,767.72 km) |
| Oswego to Colmenarejo | 4,197.60 mi (6,755.39 km) |
| Oswego to Conil de la Frontera | 4,261.00 mi (6,857.42 km) |
| Oswego to Consuegra | 4,256.21 mi (6,849.70 km) |
| Oswego to Corbera de Llobregat | 4,426.67 mi (7,124.04 km) |
| Oswego to Cordoba | 4,261.19 mi (6,857.72 km) |
| Oswego to Coria del Rio | 4,224.75 mi (6,799.08 km) |
| Oswego to Crevillente | 4,428.06 mi (7,126.28 km) |
| Oswego to Cuarte de Huerva | 4,297.02 mi (6,915.39 km) |
| Oswego to Cubellas | 4,423.52 mi (7,118.97 km) |
| Oswego to Cuellar | 4,154.20 mi (6,685.54 km) |
