| Klamath Falls to Cernavoda | 6,171.67 mi (9,932.34 km) |
| Klamath Falls to Chitila | 6,121.94 mi (9,852.32 km) |
| Klamath Falls to Cisnadie | 6,009.68 mi (9,671.64 km) |
| Klamath Falls to Cluj-Napoca | 5,932.20 mi (9,546.95 km) |
| Klamath Falls to Codlea | 6,036.17 mi (9,714.27 km) |
| Klamath Falls to Comanesti | 6,008.77 mi (9,670.18 km) |
| Klamath Falls to Comarnic | 6,068.10 mi (9,765.67 km) |
| Klamath Falls to Constanta | 6,193.63 mi (9,967.68 km) |
| Klamath Falls to Corabia | 6,138.83 mi (9,879.50 km) |
| Klamath Falls to Costesti | 6,089.97 mi (9,800.87 km) |
| Klamath Falls to Covasna | 6,040.71 mi (9,721.58 km) |
| Klamath Falls to Craiova | 6,089.50 mi (9,800.10 km) |
| Klamath Falls to Cristuru Secuiesc | 5,990.65 mi (9,641.02 km) |
| Klamath Falls to Cugir | 5,985.55 mi (9,632.82 km) |
| Klamath Falls to Cumpana | 6,195.69 mi (9,970.99 km) |
