| Oswego to Cromer | 3,990.88 mi (6,422.70 km) |
| Oswego to Crosby | 3,813.17 mi (6,136.70 km) |
| Oswego to Crowborough | 4,009.08 mi (6,452.00 km) |
| Oswego to Croxley Green | 3,966.99 mi (6,384.26 km) |
| Oswego to Croydon | 3,988.58 mi (6,419.01 km) |
| Oswego to Cudworth | 3,870.51 mi (6,228.99 km) |
| Oswego to Culcheth | 3,833.29 mi (6,169.09 km) |
| Oswego to Cullercoats | 3,826.62 mi (6,158.35 km) |
| Oswego to Cumbernauld | 3,709.45 mi (5,969.79 km) |
| Oswego to Cumnock | 3,712.95 mi (5,975.42 km) |
| Oswego to Cupar | 3,734.25 mi (6,009.69 km) |
| Oswego to Cwmbran | 3,868.31 mi (6,225.44 km) |
| Oswego to Dagenham | 3,992.74 mi (6,425.69 km) |
| Oswego to Dalkeith | 3,744.12 mi (6,025.57 km) |
| Oswego to Darfield | 3,872.98 mi (6,232.95 km) |
