| Oregon to Chivasso | 4,328.85 mi (6,966.61 km) |
| Oregon to Ciampino | 4,656.23 mi (7,493.47 km) |
| Oregon to Cicciano | 4,770.91 mi (7,678.04 km) |
| Oregon to Cingoli | 4,617.45 mi (7,431.08 km) |
| Oregon to Cinisello Balsamo | 4,369.44 mi (7,031.94 km) |
| Oregon to Cinisi | 4,828.74 mi (7,771.11 km) |
| Oregon to Cirie | 4,315.44 mi (6,945.03 km) |
| Oregon to Ciro Marina | 4,946.81 mi (7,961.11 km) |
| Oregon to Cislago | 4,355.55 mi (7,009.57 km) |
| Oregon to Cisterna di Latina | 4,674.29 mi (7,522.54 km) |
| Oregon to Cisternino | 4,899.81 mi (7,885.49 km) |
| Oregon to Citta di Castello | 4,574.10 mi (7,361.30 km) |
| Oregon to Citta Sant'Angelo | 4,686.28 mi (7,541.83 km) |
| Oregon to Cittadella | 4,468.52 mi (7,191.39 km) |
| Oregon to Cittanova | 4,947.71 mi (7,962.57 km) |
