| Klamath Falls to Cadillac (Michigan) | 1,820.63 mi (2,930.02 km) |
| Klamath Falls to Caguas (Puerto Rico) | 3,639.93 mi (5,857.90 km) |
| Klamath Falls to Cahokia (Illinois) | 1,671.98 mi (2,690.79 km) |
| Klamath Falls to Calabasas (California) | 583.23 mi (938.61 km) |
| Klamath Falls to Caldwell (Idaho) | 276.86 mi (445.56 km) |
| Klamath Falls to Caledonia (Wisconsin) | 1,715.35 mi (2,760.59 km) |
| Klamath Falls to Calera (Alabama) | 1,999.98 mi (3,218.65 km) |
| Klamath Falls to Calexico (California) | 742.88 mi (1,195.56 km) |
| Klamath Falls to Calhoun (Georgia) | 2,048.73 mi (3,297.12 km) |
| Klamath Falls to California (Maryland) | 2,374.75 mi (3,821.79 km) |
| Klamath Falls to California City (California) | 531.23 mi (854.93 km) |
| Klamath Falls to Callaway (Florida) | 2,165.52 mi (3,485.07 km) |
| Klamath Falls to Calumet City (Illinois) | 1,748.22 mi (2,813.48 km) |
| Klamath Falls to Calverton (Maryland) | 2,333.29 mi (3,755.07 km) |
| Klamath Falls to Camano (Washington) | 413.66 mi (665.73 km) |
