| Oregon to Cehegin | 4,165.74 mi (6,704.11 km) |
| Oregon to Cervello | 4,216.00 mi (6,784.99 km) |
| Oregon to Cervera | 4,175.93 mi (6,720.50 km) |
| Oregon to Ceuti | 4,190.59 mi (6,744.10 km) |
| Oregon to Cheste | 4,166.75 mi (6,705.73 km) |
| Oregon to Chiclana de la Frontera | 4,021.40 mi (6,471.81 km) |
| Oregon to Chipiona | 3,996.69 mi (6,432.05 km) |
| Oregon to Chiva | 4,165.44 mi (6,703.63 km) |
| Oregon to Churriana de la Vega | 4,113.49 mi (6,620.03 km) |
| Oregon to Ciempozuelos | 4,008.88 mi (6,451.68 km) |
| Oregon to Cieza | 4,177.98 mi (6,723.81 km) |
| Oregon to Cisterniga | 3,911.13 mi (6,294.35 km) |
| Oregon to Ciudad de Melilla | 4,215.12 mi (6,783.58 km) |
| Oregon to Ciudad Real | 4,035.94 mi (6,495.22 km) |
| Oregon to Ciudad-Rodrigo | 3,859.91 mi (6,211.93 km) |
