| Klamath Falls to Carrollwood (Florida) | 2,397.92 mi (3,859.08 km) |
| Klamath Falls to Carson (California) | 609.85 mi (981.45 km) |
| Klamath Falls to Carson City (Nevada) | 237.12 mi (381.60 km) |
| Klamath Falls to Carteret (New Jersey) | 2,434.48 mi (3,917.91 km) |
| Klamath Falls to Cartersville (Georgia) | 2,065.81 mi (3,324.60 km) |
| Klamath Falls to Carthage (Missouri) | 1,494.12 mi (2,404.56 km) |
| Klamath Falls to Cary (Illinois) | 1,704.34 mi (2,742.87 km) |
| Klamath Falls to Cary (North Carolina) | 2,323.76 mi (3,739.74 km) |
| Klamath Falls to Casa de Oro-Mount Helix (California) | 704.13 mi (1,133.19 km) |
| Klamath Falls to Casa Grande (Arizona) | 844.18 mi (1,358.57 km) |
| Klamath Falls to Casas Adobes (Arizona) | 901.76 mi (1,451.24 km) |
| Klamath Falls to Cascades (Virginia) | 2,311.45 mi (3,719.93 km) |
| Klamath Falls to Casper (Wyoming) | 786.95 mi (1,266.48 km) |
| Klamath Falls to Casselberry (Florida) | 2,434.57 mi (3,918.06 km) |
| Klamath Falls to Castaic (California) | 560.99 mi (902.83 km) |
