| Klamath Falls to Duluth (Minnesota) | 1,484.71 mi (2,389.41 km) |
| Klamath Falls to Dumas (Texas) | 1,146.90 mi (1,845.75 km) |
| Klamath Falls to Dumont (New Jersey) | 2,438.29 mi (3,924.05 km) |
| Klamath Falls to Duncan (Oklahoma) | 1,390.73 mi (2,238.17 km) |
| Klamath Falls to Duncanville (Texas) | 1,508.44 mi (2,427.61 km) |
| Klamath Falls to Dundalk (Maryland) | 2,351.16 mi (3,783.83 km) |
| Klamath Falls to Dunedin (Florida) | 2,385.28 mi (3,838.74 km) |
| Klamath Falls to Dunkirk (New York) | 2,144.24 mi (3,450.82 km) |
| Klamath Falls to Dunmore (Pennsylvania) | 2,348.41 mi (3,779.40 km) |
| Klamath Falls to Dunwoody (Georgia) | 2,097.72 mi (3,375.95 km) |
| Klamath Falls to Durango (Colorado) | 812.48 mi (1,307.57 km) |
| Klamath Falls to Durant (Oklahoma) | 1,485.26 mi (2,390.30 km) |
| Klamath Falls to Durham (North Carolina) | 2,313.95 mi (3,723.95 km) |
| Klamath Falls to Dyer (Indiana) | 1,752.12 mi (2,819.76 km) |
| Klamath Falls to Dyersburg (Tennessee) | 1,776.40 mi (2,858.83 km) |
