| Portimao to Dallas (Texas) | 4,812.57 mi (7,745.09 km) |
| Portimao to Dalton (Georgia) | 4,155.21 mi (6,687.17 km) |
| Portimao to Daly City (California) | 5,769.39 mi (9,284.94 km) |
| Portimao to Damascus (Maryland) | 3,637.40 mi (5,853.83 km) |
| Portimao to Damascus (Oregon) | 5,407.91 mi (8,703.20 km) |
| Portimao to Dana Point (California) | 5,763.13 mi (9,274.86 km) |
| Portimao to Danbury (Connecticut) | 3,403.62 mi (5,477.60 km) |
| Portimao to Dania Beach (Florida) | 4,186.77 mi (6,737.95 km) |
| Portimao to Danville (California) | 5,743.46 mi (9,243.21 km) |
| Portimao to Danville (Illinois) | 4,123.92 mi (6,636.81 km) |
| Portimao to Danville (Indiana) | 4,081.72 mi (6,568.89 km) |
| Portimao to Danville (Kentucky) | 4,058.83 mi (6,532.05 km) |
| Portimao to Danville (Virginia) | 3,819.37 mi (6,146.69 km) |
| Portimao to Daphne (Alabama) | 4,439.38 mi (7,144.49 km) |
| Portimao to Darby (Pennsylvania) | 3,525.20 mi (5,673.26 km) |
