| Eugene to Cehegin | 5,682.32 mi (9,144.81 km) |
| Eugene to Cervello | 5,622.28 mi (9,048.18 km) |
| Eugene to Cervera | 5,586.08 mi (8,989.93 km) |
| Eugene to Ceuti | 5,700.75 mi (9,174.48 km) |
| Eugene to Cheste | 5,643.84 mi (9,082.88 km) |
| Eugene to Chiclana de la Frontera | 5,620.14 mi (9,044.73 km) |
| Eugene to Chipiona | 5,593.29 mi (9,001.53 km) |
| Eugene to Chiva | 5,643.14 mi (9,081.75 km) |
| Eugene to Churriana de la Vega | 5,669.73 mi (9,124.55 km) |
| Eugene to Ciempozuelos | 5,509.96 mi (8,867.42 km) |
| Eugene to Cieza | 5,687.12 mi (9,152.53 km) |
| Eugene to Cisterniga | 5,397.00 mi (8,685.63 km) |
| Eugene to Ciudad de Melilla | 5,794.72 mi (9,325.69 km) |
| Eugene to Ciudad Real | 5,562.56 mi (8,952.08 km) |
| Eugene to Ciudad-Rodrigo | 5,387.50 mi (8,670.35 km) |
