| Portimao to Dumas (Texas) | 4,949.51 mi (7,965.46 km) |
| Portimao to Dumont (New Jersey) | 3,439.13 mi (5,534.75 km) |
| Portimao to Duncan (Oklahoma) | 4,805.50 mi (7,733.71 km) |
| Portimao to Duncanville (Texas) | 4,825.16 mi (7,765.34 km) |
| Portimao to Dundalk (Maryland) | 3,602.31 mi (5,797.35 km) |
| Portimao to Dunedin (Florida) | 4,260.02 mi (6,855.83 km) |
| Portimao to Dunkirk (New York) | 3,665.36 mi (5,898.83 km) |
| Portimao to Dunmore (Pennsylvania) | 3,508.54 mi (5,646.45 km) |
| Portimao to Dunwoody (Georgia) | 4,147.35 mi (6,674.52 km) |
| Portimao to Durango (Colorado) | 5,166.49 mi (8,314.67 km) |
| Portimao to Durant (Oklahoma) | 4,750.74 mi (7,645.58 km) |
| Portimao to Durham (North Carolina) | 3,810.31 mi (6,132.10 km) |
| Portimao to Dyer (Indiana) | 4,080.15 mi (6,566.37 km) |
| Portimao to Dyersburg (Tennessee) | 4,335.62 mi (6,977.50 km) |
| Portimao to Eagan (Minnesota) | 4,243.20 mi (6,828.78 km) |
