| Delaware to Darby (Pennsylvania) | 413.54 mi (665.53 km) |
| Delaware to Dardenne Prairie (Missouri) | 421.44 mi (678.23 km) |
| Delaware to Darien (Illinois) | 274.98 mi (442.54 km) |
| Delaware to Davenport (Iowa) | 402.74 mi (648.14 km) |
| Delaware to Davidson (North Carolina) | 353.64 mi (569.13 km) |
| Delaware to Davie (Florida) | 994.54 mi (1,600.56 km) |
| Delaware to Davis (California) | 2,050.70 mi (3,300.28 km) |
| Delaware to Dayton (Nevada) | 1,925.38 mi (3,098.60 km) |
| Delaware to Dayton (Ohio) | 69.03 mi (111.09 km) |
| Delaware to Daytona Beach (Florida) | 774.05 mi (1,245.71 km) |
| Delaware to De Pere (Wisconsin) | 383.68 mi (617.48 km) |
| Delaware to De Witt (New York) | 407.55 mi (655.89 km) |
| Delaware to Dearborn (Michigan) | 140.28 mi (225.76 km) |
| Delaware to Dearborn Heights (Michigan) | 140.74 mi (226.50 km) |
| Delaware to DeBary (Florida) | 794.13 mi (1,278.02 km) |
