| Oswego to Carmona | 4,237.30 mi (6,819.27 km) |
| Oswego to Cartagena | 4,445.34 mi (7,154.08 km) |
| Oswego to Cartama | 4,312.01 mi (6,939.51 km) |
| Oswego to Cartaya | 4,173.54 mi (6,716.67 km) |
| Oswego to Caspe | 4,348.60 mi (6,998.40 km) |
| Oswego to Cassa de la Selva | 4,448.79 mi (7,159.64 km) |
| Oswego to Castalla | 4,420.85 mi (7,114.67 km) |
| Oswego to Castellbisbal | 4,426.56 mi (7,123.85 km) |
| Oswego to Castelldefels | 4,433.90 mi (7,135.67 km) |
| Oswego to Castello de Ampurias | 4,443.03 mi (7,150.36 km) |
| Oswego to Castellon de la Plana | 4,396.05 mi (7,074.75 km) |
| Oswego to Castilleja de la Cuesta | 4,221.06 mi (6,793.14 km) |
| Oswego to Catarroja | 4,401.80 mi (7,084.01 km) |
| Oswego to Catral | 4,431.68 mi (7,132.11 km) |
| Oswego to Caudete | 4,402.48 mi (7,085.11 km) |
