| Lake Oswego to Cosham | 4,930.01 mi (7,934.08 km) |
| Lake Oswego to Costessey | 4,892.75 mi (7,874.12 km) |
| Lake Oswego to Cottingham | 4,790.10 mi (7,708.92 km) |
| Lake Oswego to Coulsdon | 4,929.52 mi (7,933.30 km) |
| Lake Oswego to Coventry | 4,834.33 mi (7,780.10 km) |
| Lake Oswego to Cowdenbeath | 4,592.19 mi (7,390.42 km) |
| Lake Oswego to Cowes | 4,927.99 mi (7,930.83 km) |
| Lake Oswego to Cowley | 4,909.14 mi (7,900.50 km) |
| Lake Oswego to Cowley | 4,878.28 mi (7,850.84 km) |
| Lake Oswego to Cramlington | 4,691.01 mi (7,549.45 km) |
| Lake Oswego to Cranleigh | 4,930.29 mi (7,934.53 km) |
| Lake Oswego to Crawley | 4,939.65 mi (7,949.59 km) |
| Lake Oswego to Crayford | 4,931.20 mi (7,936.00 km) |
| Lake Oswego to Crewe | 4,772.78 mi (7,681.04 km) |
| Lake Oswego to Crigglestone | 4,768.48 mi (7,674.13 km) |
