| Klamath Falls to Des Plaines (Illinois) | 1,724.33 mi (2,775.04 km) |
| Klamath Falls to Desert Hot Springs (California) | 637.66 mi (1,026.22 km) |
| Klamath Falls to DeSoto (Texas) | 1,512.62 mi (2,434.33 km) |
| Klamath Falls to Destin (Florida) | 2,109.94 mi (3,395.62 km) |
| Klamath Falls to Destrehan (Louisiana) | 1,932.50 mi (3,110.05 km) |
| Klamath Falls to Detroit (Michigan) | 1,958.93 mi (3,152.60 km) |
| Klamath Falls to Diamond Bar (California) | 607.19 mi (977.19 km) |
| Klamath Falls to Diamond Springs (California) | 248.64 mi (400.15 km) |
| Klamath Falls to Dickinson (North Dakota) | 985.83 mi (1,586.53 km) |
| Klamath Falls to Dickinson (Texas) | 1,726.07 mi (2,777.84 km) |
| Klamath Falls to Dickson (Tennessee) | 1,878.74 mi (3,023.55 km) |
| Klamath Falls to Difficult Run (Virginia) | 2,316.92 mi (3,728.73 km) |
| Klamath Falls to Dinuba (California) | 412.03 mi (663.10 km) |
| Klamath Falls to Discovery Bay (California) | 298.16 mi (479.84 km) |
| Klamath Falls to Dix Hills (New York) | 2,473.84 mi (3,981.26 km) |
