| Portimao to Dover (New Jersey) | 3,468.53 mi (5,582.07 km) |
| Portimao to Dover (Ohio) | 3,817.07 mi (6,142.98 km) |
| Portimao to Downers Grove (Illinois) | 4,095.66 mi (6,591.33 km) |
| Portimao to Downey (California) | 5,761.06 mi (9,271.53 km) |
| Portimao to Dranesville (Virginia) | 3,652.90 mi (5,878.77 km) |
| Portimao to Draper (Utah) | 5,208.45 mi (8,382.19 km) |
| Portimao to Drexel Heights (Arizona) | 5,521.97 mi (8,886.75 km) |
| Portimao to Drexel Hill (Pennsylvania) | 3,526.67 mi (5,675.63 km) |
| Portimao to Duarte (California) | 5,743.15 mi (9,242.71 km) |
| Portimao to Dublin (California) | 5,744.99 mi (9,245.67 km) |
| Portimao to Dublin (Georgia) | 4,120.18 mi (6,630.78 km) |
| Portimao to Dublin (Ohio) | 3,909.19 mi (6,291.23 km) |
| Portimao to Dubuque (Iowa) | 4,200.44 mi (6,759.95 km) |
| Portimao to Duluth (Georgia) | 4,137.04 mi (6,657.92 km) |
| Portimao to Duluth (Minnesota) | 4,142.09 mi (6,666.05 km) |
