| Klamath Falls to Decatur (Alabama) | 1,941.43 mi (3,124.43 km) |
| Klamath Falls to Decatur (Georgia) | 2,103.90 mi (3,385.90 km) |
| Klamath Falls to Decatur (Illinois) | 1,708.69 mi (2,749.87 km) |
| Klamath Falls to Deer Park (New York) | 2,475.53 mi (3,983.98 km) |
| Klamath Falls to Deer Park (Texas) | 1,713.45 mi (2,757.53 km) |
| Klamath Falls to Deerfield (Illinois) | 1,724.95 mi (2,776.03 km) |
| Klamath Falls to Deerfield Beach (Florida) | 2,587.63 mi (4,164.39 km) |
| Klamath Falls to Defiance (Ohio) | 1,913.87 mi (3,080.08 km) |
| Klamath Falls to DeForest (Wisconsin) | 1,637.32 mi (2,635.01 km) |
| Klamath Falls to DeKalb (Illinois) | 1,683.22 mi (2,708.89 km) |
| Klamath Falls to Del Aire (California) | 602.70 mi (969.95 km) |
| Klamath Falls to Del City (Oklahoma) | 1,384.97 mi (2,228.89 km) |
| Klamath Falls to Del Rio (Texas) | 1,462.67 mi (2,353.94 km) |
| Klamath Falls to DeLand (Florida) | 2,422.60 mi (3,898.80 km) |
| Klamath Falls to Delano (California) | 465.77 mi (749.59 km) |
