| Oswego to Cehegin | 4,389.36 mi (7,064.00 km) |
| Oswego to Cervello | 4,428.65 mi (7,127.23 km) |
| Oswego to Cervera | 4,388.72 mi (7,062.96 km) |
| Oswego to Ceuti | 4,413.71 mi (7,103.18 km) |
| Oswego to Cheste | 4,386.41 mi (7,059.24 km) |
| Oswego to Chiclana de la Frontera | 4,252.27 mi (6,843.37 km) |
| Oswego to Chipiona | 4,227.25 mi (6,803.10 km) |
| Oswego to Chiva | 4,385.16 mi (7,057.23 km) |
| Oswego to Churriana de la Vega | 4,340.73 mi (6,985.73 km) |
| Oswego to Ciempozuelos | 4,230.06 mi (6,807.62 km) |
| Oswego to Cieza | 4,400.93 mi (7,082.61 km) |
| Oswego to Cisterniga | 4,130.13 mi (6,646.80 km) |
| Oswego to Ciudad de Melilla | 4,445.07 mi (7,153.64 km) |
| Oswego to Ciudad Real | 4,259.86 mi (6,855.58 km) |
| Oswego to Ciudad-Rodrigo | 4,082.92 mi (6,570.83 km) |
