| Klamath Falls to Castle Pines (Colorado) | 902.31 mi (1,452.13 km) |
| Klamath Falls to Castle Rock (Colorado) | 905.00 mi (1,456.46 km) |
| Klamath Falls to Castro Valley (California) | 312.03 mi (502.16 km) |
| Klamath Falls to Catalina Foothills (Arizona) | 908.38 mi (1,461.90 km) |
| Klamath Falls to Cataño (Puerto Rico) | 3,625.55 mi (5,834.76 km) |
| Klamath Falls to Cathedral City (California) | 647.01 mi (1,041.26 km) |
| Klamath Falls to Catonsville (Maryland) | 2,338.81 mi (3,763.95 km) |
| Klamath Falls to Cave Spring (Virginia) | 2,223.78 mi (3,578.83 km) |
| Klamath Falls to Cayce (South Carolina) | 2,264.75 mi (3,644.76 km) |
| Klamath Falls to Cayey (Puerto Rico) | 3,638.82 mi (5,856.11 km) |
| Klamath Falls to Cedar City (Utah) | 555.95 mi (894.71 km) |
| Klamath Falls to Cedar Falls (Iowa) | 1,489.42 mi (2,396.99 km) |
| Klamath Falls to Cedar Hill (Texas) | 1,508.65 mi (2,427.93 km) |
| Klamath Falls to Cedar Lake (Indiana) | 1,757.69 mi (2,828.73 km) |
| Klamath Falls to Cedar Mill (Oregon) | 234.73 mi (377.76 km) |
