| Portchester to Dumas (Texas) | 4,769.12 mi (7,675.16 km) |
| Portchester to Dumont (New Jersey) | 3,424.42 mi (5,511.08 km) |
| Portchester to Duncan (Oklahoma) | 4,683.63 mi (7,537.58 km) |
| Portchester to Duncanville (Texas) | 4,740.86 mi (7,629.68 km) |
| Portchester to Dundalk (Maryland) | 3,599.90 mi (5,793.48 km) |
| Portchester to Dunedin (Florida) | 4,391.79 mi (7,067.90 km) |
| Portchester to Dunkirk (New York) | 3,577.08 mi (5,756.75 km) |
| Portchester to Dunmore (Pennsylvania) | 3,471.14 mi (5,586.26 km) |
| Portchester to Dunwoody (Georgia) | 4,168.20 mi (6,708.07 km) |
| Portchester to Durango (Colorado) | 4,909.58 mi (7,901.21 km) |
| Portchester to Durant (Oklahoma) | 4,651.99 mi (7,486.65 km) |
| Portchester to Durham (North Carolina) | 3,847.73 mi (6,192.32 km) |
| Portchester to Dyer (Indiana) | 3,943.39 mi (6,346.27 km) |
| Portchester to Dyersburg (Tennessee) | 4,273.31 mi (6,877.23 km) |
| Portchester to Eagan (Minnesota) | 4,004.39 mi (6,444.44 km) |
