| Klamath Falls to Dover (New Hampshire) | 2,544.13 mi (4,094.39 km) |
| Klamath Falls to Dover (New Jersey) | 2,411.44 mi (3,880.83 km) |
| Klamath Falls to Dover (Ohio) | 2,072.93 mi (3,336.06 km) |
| Klamath Falls to Downers Grove (Illinois) | 1,721.98 mi (2,771.25 km) |
| Klamath Falls to Downey (California) | 605.39 mi (974.29 km) |
| Klamath Falls to Dranesville (Virginia) | 2,313.57 mi (3,723.33 km) |
| Klamath Falls to Draper (Utah) | 527.48 mi (848.89 km) |
| Klamath Falls to Drexel Heights (Arizona) | 911.25 mi (1,466.52 km) |
| Klamath Falls to Drexel Hill (Pennsylvania) | 2,395.15 mi (3,854.61 km) |
| Klamath Falls to Duarte (California) | 594.10 mi (956.10 km) |
| Klamath Falls to Dublin (California) | 311.22 mi (500.86 km) |
| Klamath Falls to Dublin (Georgia) | 2,213.89 mi (3,562.91 km) |
| Klamath Falls to Dublin (Ohio) | 1,997.38 mi (3,214.47 km) |
| Klamath Falls to Dubuque (Iowa) | 1,577.36 mi (2,538.51 km) |
| Klamath Falls to Duluth (Georgia) | 2,104.06 mi (3,386.15 km) |
