| Oregon to Chojnice | 4,364.56 mi (7,024.08 km) |
| Oregon to Chojnow | 4,404.38 mi (7,088.16 km) |
| Oregon to Chorzow | 4,550.31 mi (7,323.02 km) |
| Oregon to Choszczno | 4,312.57 mi (6,940.42 km) |
| Oregon to Chrzanow | 4,573.13 mi (7,359.75 km) |
| Oregon to Ciechanow | 4,501.50 mi (7,244.46 km) |
| Oregon to Ciechocinek | 4,438.72 mi (7,143.44 km) |
| Oregon to Cieszyn | 4,561.89 mi (7,341.65 km) |
| Oregon to Czarna Bialostocka | 4,570.13 mi (7,354.91 km) |
| Oregon to Czarnkow | 4,362.49 mi (7,020.75 km) |
| Oregon to Czechowice-Dziedzice | 4,568.39 mi (7,352.11 km) |
| Oregon to Czeladz | 4,553.63 mi (7,328.36 km) |
| Oregon to Czersk Pomorski | 4,375.11 mi (7,041.06 km) |
| Oregon to Czestochowa | 4,535.45 mi (7,299.10 km) |
| Oregon to Czluchow | 4,359.70 mi (7,016.25 km) |
