| Darby to Decatur (Georgia) | 655.21 mi (1,054.46 km) |
| Darby to Decatur (Illinois) | 724.19 mi (1,165.47 km) |
| Darby to Deer Park (New York) | 117.50 mi (189.10 km) |
| Darby to Deer Park (Texas) | 1,325.13 mi (2,132.59 km) |
| Darby to Deerfield (Illinois) | 673.50 mi (1,083.89 km) |
| Darby to Deerfield Beach (Florida) | 981.59 mi (1,579.71 km) |
| Darby to Defiance (Ohio) | 486.54 mi (783.02 km) |
| Darby to DeForest (Wisconsin) | 761.84 mi (1,226.06 km) |
| Darby to DeKalb (Illinois) | 716.85 mi (1,153.65 km) |
| Darby to Del Aire (California) | 2,393.55 mi (3,852.05 km) |
| Darby to Del City (Oklahoma) | 1,247.93 mi (2,008.36 km) |
| Darby to Del Rio (Texas) | 1,620.43 mi (2,607.83 km) |
| Darby to DeLand (Florida) | 827.03 mi (1,330.97 km) |
| Darby to Delano (California) | 2,393.67 mi (3,852.24 km) |
| Darby to Delaware (Ohio) | 413.54 mi (665.53 km) |
