| Portimao to Dardenne Prairie (Missouri) | 4,315.53 mi (6,945.18 km) |
| Portimao to Darien (Illinois) | 4,095.44 mi (6,590.97 km) |
| Portimao to Davenport (Iowa) | 4,223.71 mi (6,797.41 km) |
| Portimao to Davidson (North Carolina) | 3,922.66 mi (6,312.91 km) |
| Portimao to Davie (Florida) | 4,192.74 mi (6,747.56 km) |
| Portimao to Davis (California) | 5,699.48 mi (9,172.43 km) |
| Portimao to Dayton (Nevada) | 5,579.96 mi (8,980.07 km) |
| Portimao to Dayton (Ohio) | 3,969.55 mi (6,388.37 km) |
| Portimao to Daytona Beach (Florida) | 4,131.45 mi (6,648.93 km) |
| Portimao to De Pere (Wisconsin) | 4,025.76 mi (6,478.84 km) |
| Portimao to De Witt (New York) | 3,496.96 mi (5,627.82 km) |
| Portimao to Dearborn (Michigan) | 3,854.76 mi (6,203.64 km) |
| Portimao to Dearborn Heights (Michigan) | 3,857.70 mi (6,208.37 km) |
| Portimao to DeBary (Florida) | 4,153.91 mi (6,685.08 km) |
| Portimao to Decatur (Alabama) | 4,263.50 mi (6,861.43 km) |
