| Klamath Falls to Darby (Pennsylvania) | 2,397.94 mi (3,859.11 km) |
| Klamath Falls to Dardenne Prairie (Missouri) | 1,639.50 mi (2,638.52 km) |
| Klamath Falls to Darien (Illinois) | 1,724.49 mi (2,775.29 km) |
| Klamath Falls to Davenport (Iowa) | 1,594.97 mi (2,566.85 km) |
| Klamath Falls to Davidson (North Carolina) | 2,229.80 mi (3,588.52 km) |
| Klamath Falls to Davie (Florida) | 2,588.86 mi (4,166.36 km) |
| Klamath Falls to Davis (California) | 253.18 mi (407.45 km) |
| Klamath Falls to Dayton (Nevada) | 234.97 mi (378.15 km) |
| Klamath Falls to Dayton (Ohio) | 1,950.72 mi (3,139.38 km) |
| Klamath Falls to Daytona Beach (Florida) | 2,425.51 mi (3,903.48 km) |
| Klamath Falls to De Pere (Wisconsin) | 1,688.58 mi (2,717.51 km) |
| Klamath Falls to De Witt (New York) | 2,294.52 mi (3,692.67 km) |
| Klamath Falls to Dearborn (Michigan) | 1,954.53 mi (3,145.52 km) |
| Klamath Falls to Dearborn Heights (Michigan) | 1,951.29 mi (3,140.30 km) |
| Klamath Falls to DeBary (Florida) | 2,426.10 mi (3,904.43 km) |
