| Duluth to Decatur (Alabama) | 884.72 mi (1,423.81 km) |
| Duluth to Decatur (Georgia) | 987.85 mi (1,589.80 km) |
| Duluth to Decatur (Illinois) | 504.42 mi (811.79 km) |
| Duluth to Deer Park (New York) | 1,023.38 mi (1,646.97 km) |
| Duluth to Deer Park (Texas) | 1,191.28 mi (1,917.17 km) |
| Duluth to Deerfield (Illinois) | 382.17 mi (615.04 km) |
| Duluth to Deerfield Beach (Florida) | 1,559.45 mi (2,509.69 km) |
| Duluth to Defiance (Ohio) | 541.01 mi (870.68 km) |
| Duluth to DeForest (Wisconsin) | 280.44 mi (451.32 km) |
| Duluth to DeKalb (Illinois) | 374.20 mi (602.22 km) |
| Duluth to Del Aire (California) | 1,630.25 mi (2,623.63 km) |
| Duluth to Del City (Oklahoma) | 829.37 mi (1,334.74 km) |
| Duluth to Del Rio (Texas) | 1,291.14 mi (2,077.89 km) |
| Duluth to DeLand (Florida) | 1,358.79 mi (2,186.76 km) |
| Duluth to Delano (California) | 1,589.40 mi (2,557.88 km) |
