| Duluth to Delaware (Ohio) | 637.41 mi (1,025.82 km) |
| Duluth to Delhi (California) | 1,592.19 mi (2,562.38 km) |
| Duluth to Delray Beach (Florida) | 1,550.69 mi (2,495.60 km) |
| Duluth to Deltona (Florida) | 1,368.00 mi (2,201.58 km) |
| Duluth to Deming (New Mexico) | 1,298.04 mi (2,088.99 km) |
| Duluth to Denison (Texas) | 928.38 mi (1,494.09 km) |
| Duluth to Dent (Ohio) | 645.49 mi (1,038.81 km) |
| Duluth to Denton (Texas) | 972.94 mi (1,565.80 km) |
| Duluth to Dentsville (South Carolina) | 1,054.09 mi (1,696.39 km) |
| Duluth to Denver (Colorado) | 801.72 mi (1,290.24 km) |
| Duluth to Depew (New York) | 709.10 mi (1,141.18 km) |
| Duluth to Derby (Connecticut) | 1,015.21 mi (1,633.82 km) |
| Duluth to Derby (Kansas) | 688.33 mi (1,107.75 km) |
| Duluth to Des Moines (Iowa) | 366.80 mi (590.30 km) |
| Duluth to Des Moines (Washington) | 1,411.44 mi (2,271.50 km) |
