| Duluth to Darby (Pennsylvania) | 968.43 mi (1,558.54 km) |
| Duluth to Dardenne Prairie (Missouri) | 558.62 mi (899.01 km) |
| Duluth to Darien (Illinois) | 403.76 mi (649.79 km) |
| Duluth to Davenport (Iowa) | 368.51 mi (593.06 km) |
| Duluth to Davidson (North Carolina) | 975.30 mi (1,569.60 km) |
| Duluth to Davie (Florida) | 1,570.35 mi (2,527.23 km) |
| Duluth to Davis (California) | 1,595.84 mi (2,568.26 km) |
| Duluth to Dayton (Nevada) | 1,470.42 mi (2,366.41 km) |
| Duluth to Dayton (Ohio) | 626.28 mi (1,007.90 km) |
| Duluth to Daytona Beach (Florida) | 1,351.94 mi (2,175.74 km) |
| Duluth to De Pere (Wisconsin) | 254.46 mi (409.51 km) |
| Duluth to De Witt (New York) | 825.60 mi (1,328.68 km) |
| Duluth to Dearborn (Michigan) | 536.40 mi (863.25 km) |
| Duluth to Dearborn Heights (Michigan) | 533.68 mi (858.87 km) |
| Duluth to DeBary (Florida) | 1,366.96 mi (2,199.90 km) |
