| Darby to Dumas (Texas) | 1,477.03 mi (2,377.05 km) |
| Darby to Dumont (New Jersey) | 97.26 mi (156.52 km) |
| Darby to Duncan (Oklahoma) | 1,296.77 mi (2,086.95 km) |
| Darby to Duncanville (Texas) | 1,302.17 mi (2,095.65 km) |
| Darby to Dundalk (Maryland) | 79.57 mi (128.05 km) |
| Darby to Dunedin (Florida) | 926.78 mi (1,491.51 km) |
| Darby to Dunkirk (New York) | 275.74 mi (443.75 km) |
| Darby to Dunmore (Pennsylvania) | 104.82 mi (168.69 km) |
| Darby to Dunwoody (Georgia) | 647.90 mi (1,042.69 km) |
| Darby to Durango (Colorado) | 1,761.11 mi (2,834.23 km) |
| Darby to Durant (Oklahoma) | 1,232.84 mi (1,984.06 km) |
| Darby to Durham (North Carolina) | 336.87 mi (542.14 km) |
| Darby to Dyer (Indiana) | 650.09 mi (1,046.22 km) |
| Darby to Dyersburg (Tennessee) | 812.96 mi (1,308.33 km) |
| Darby to Eagan (Minnesota) | 971.99 mi (1,564.26 km) |
