| Echelon to Duluth (Minnesota) | 982.85 mi (1,581.75 km) |
| Echelon to Dumas (Texas) | 1,490.89 mi (2,399.35 km) |
| Echelon to Dumont (New Jersey) | 92.37 mi (148.66 km) |
| Echelon to Duncan (Oklahoma) | 1,309.85 mi (2,108.00 km) |
| Echelon to Duncanville (Texas) | 1,314.36 mi (2,115.26 km) |
| Echelon to Dundalk (Maryland) | 89.25 mi (143.63 km) |
| Echelon to Dunedin (Florida) | 929.56 mi (1,495.99 km) |
| Echelon to Dunkirk (New York) | 289.68 mi (466.19 km) |
| Echelon to Dunmore (Pennsylvania) | 112.92 mi (181.72 km) |
| Echelon to Dunwoody (Georgia) | 656.29 mi (1,056.19 km) |
| Echelon to Durango (Colorado) | 1,775.54 mi (2,857.45 km) |
| Echelon to Durant (Oklahoma) | 1,245.49 mi (2,004.42 km) |
| Echelon to Durham (North Carolina) | 341.69 mi (549.89 km) |
| Echelon to Dyer (Indiana) | 664.95 mi (1,070.13 km) |
| Echelon to Dyersburg (Tennessee) | 825.34 mi (1,328.25 km) |
