| Lake Oswego to Cervignano del Friuli | 5,587.63 mi (8,992.43 km) |
| Lake Oswego to Cesa | 5,902.65 mi (9,499.40 km) |
| Lake Oswego to Cesano Maderno | 5,495.41 mi (8,844.01 km) |
| Lake Oswego to Cesena | 5,662.04 mi (9,112.17 km) |
| Lake Oswego to Cesenatico | 5,662.11 mi (9,112.29 km) |
| Lake Oswego to Cetraro | 6,034.75 mi (9,711.99 km) |
| Lake Oswego to Cherasco | 5,519.13 mi (8,882.18 km) |
| Lake Oswego to Chiampo | 5,554.13 mi (8,938.51 km) |
| Lake Oswego to Chiaravalle | 5,721.29 mi (9,207.52 km) |
| Lake Oswego to Chiari | 5,520.78 mi (8,884.83 km) |
| Lake Oswego to Chiavari | 5,577.26 mi (8,975.74 km) |
| Lake Oswego to Chieri | 5,496.82 mi (8,846.28 km) |
| Lake Oswego to Chieti | 5,817.24 mi (9,361.94 km) |
| Lake Oswego to Chioggia | 5,598.32 mi (9,009.63 km) |
| Lake Oswego to Chiusi | 5,721.66 mi (9,208.13 km) |
