| Oswego to Clacton-on-Sea | 4,022.35 mi (6,473.34 km) |
| Oswego to Clay Cross | 3,883.17 mi (6,249.36 km) |
| Oswego to Clayton | 3,849.71 mi (6,195.51 km) |
| Oswego to Clayton le Moors | 3,828.87 mi (6,161.97 km) |
| Oswego to Cleckheaton | 3,854.89 mi (6,203.85 km) |
| Oswego to Cleethorpes | 3,922.51 mi (6,312.66 km) |
| Oswego to Clevedon | 3,881.31 mi (6,246.36 km) |
| Oswego to Clifton | 3,899.91 mi (6,276.30 km) |
| Oswego to Clifton | 3,870.27 mi (6,228.59 km) |
| Oswego to Cliftonville | 4,045.50 mi (6,510.60 km) |
| Oswego to Clitheroe | 3,825.77 mi (6,156.98 km) |
| Oswego to Clydebank | 3,696.13 mi (5,948.34 km) |
| Oswego to Coalville | 3,898.28 mi (6,273.68 km) |
| Oswego to Coatbridge | 3,710.49 mi (5,971.46 km) |
| Oswego to Cobham | 3,978.60 mi (6,402.93 km) |
