| Klamath Falls to Clemson (South Carolina) | 2,151.64 mi (3,462.73 km) |
| Klamath Falls to Clermont (Florida) | 2,419.41 mi (3,893.67 km) |
| Klamath Falls to Cleveland (Mississippi) | 1,777.66 mi (2,860.87 km) |
| Klamath Falls to Cleveland (Ohio) | 2,045.03 mi (3,291.15 km) |
| Klamath Falls to Cleveland (Tennessee) | 2,031.57 mi (3,269.49 km) |
| Klamath Falls to Cleveland Heights (Ohio) | 2,050.24 mi (3,299.55 km) |
| Klamath Falls to Cliffside Park (New Jersey) | 2,441.19 mi (3,928.71 km) |
| Klamath Falls to Clifton (Colorado) | 730.10 mi (1,174.99 km) |
| Klamath Falls to Clifton (New Jersey) | 2,431.89 mi (3,913.74 km) |
| Klamath Falls to Clinton (Iowa) | 1,609.27 mi (2,589.87 km) |
| Klamath Falls to Clinton (Maryland) | 2,342.82 mi (3,770.40 km) |
| Klamath Falls to Clinton (Mississippi) | 1,844.60 mi (2,968.60 km) |
| Klamath Falls to Clinton (Utah) | 506.30 mi (814.82 km) |
| Klamath Falls to Clive (Iowa) | 1,432.54 mi (2,305.45 km) |
| Klamath Falls to Cloquet (Minnesota) | 1,467.91 mi (2,362.37 km) |
