| Darby to Dover (New Jersey) | 76.20 mi (122.63 km) |
| Darby to Dover (Ohio) | 330.72 mi (532.25 km) |
| Darby to Downers Grove (Illinois) | 678.39 mi (1,091.77 km) |
| Darby to Downey (California) | 2,380.39 mi (3,830.88 km) |
| Darby to Dranesville (Virginia) | 129.37 mi (208.20 km) |
| Darby to Draper (Utah) | 1,917.64 mi (3,086.14 km) |
| Darby to Drexel Heights (Arizona) | 2,055.49 mi (3,307.99 km) |
| Darby to Drexel Hill (Pennsylvania) | 3.00 mi (4.83 km) |
| Darby to Duarte (California) | 2,364.93 mi (3,805.98 km) |
| Darby to Dublin (California) | 2,486.46 mi (4,001.58 km) |
| Darby to Dublin (Georgia) | 664.99 mi (1,070.19 km) |
| Darby to Dublin (Ohio) | 417.28 mi (671.55 km) |
| Darby to Dubuque (Iowa) | 821.15 mi (1,321.51 km) |
| Darby to Duluth (Georgia) | 638.04 mi (1,026.82 km) |
| Darby to Duluth (Minnesota) | 968.43 mi (1,558.54 km) |
