| Oregon to Cernavoda | 5,140.52 mi (8,272.87 km) |
| Oregon to Chitila | 5,058.66 mi (8,141.13 km) |
| Oregon to Cisnadie | 4,936.63 mi (7,944.74 km) |
| Oregon to Cluj-Napoca | 4,868.39 mi (7,834.92 km) |
| Oregon to Codlea | 4,983.97 mi (8,020.93 km) |
| Oregon to Comanesti | 4,985.66 mi (8,023.65 km) |
| Oregon to Comarnic | 5,011.51 mi (8,065.25 km) |
| Oregon to Constanta | 5,170.10 mi (8,320.48 km) |
| Oregon to Corabia | 5,038.57 mi (8,108.79 km) |
| Oregon to Costesti | 5,011.04 mi (8,064.50 km) |
| Oregon to Covasna | 5,003.36 mi (8,052.13 km) |
| Oregon to Craiova | 4,987.38 mi (8,026.42 km) |
| Oregon to Cristuru Secuiesc | 4,941.95 mi (7,953.30 km) |
| Oregon to Cugir | 4,902.09 mi (7,889.15 km) |
| Oregon to Cumpana | 5,169.94 mi (8,320.21 km) |
