| Oswego to Cosham | 3,969.05 mi (6,387.57 km) |
| Oswego to Costessey | 3,996.51 mi (6,431.76 km) |
| Oswego to Cottingham | 3,901.07 mi (6,278.17 km) |
| Oswego to Coulsdon | 3,989.17 mi (6,419.94 km) |
| Oswego to Coventry | 3,902.70 mi (6,280.80 km) |
| Oswego to Cowdenbeath | 3,727.92 mi (5,999.51 km) |
| Oswego to Cowes | 3,962.66 mi (6,377.28 km) |
| Oswego to Cowley | 3,969.44 mi (6,388.20 km) |
| Oswego to Cowley | 3,934.98 mi (6,332.74 km) |
| Oswego to Cramlington | 3,819.74 mi (6,147.28 km) |
| Oswego to Cranleigh | 3,982.17 mi (6,408.68 km) |
| Oswego to Crawley | 3,994.20 mi (6,428.04 km) |
| Oswego to Crayford | 3,997.17 mi (6,432.82 km) |
| Oswego to Crewe | 3,846.81 mi (6,190.85 km) |
| Oswego to Crigglestone | 3,864.56 mi (6,219.41 km) |
