| Portage to Darby (Pennsylvania) | 560.30 mi (901.71 km) |
| Portage to Dardenne Prairie (Missouri) | 359.90 mi (579.20 km) |
| Portage to Darien (Illinois) | 126.81 mi (204.08 km) |
| Portage to Davenport (Iowa) | 261.74 mi (421.23 km) |
| Portage to Davidson (North Carolina) | 529.97 mi (852.90 km) |
| Portage to Davie (Florida) | 1,153.78 mi (1,856.82 km) |
| Portage to Davis (California) | 1,904.73 mi (3,065.36 km) |
| Portage to Dayton (Nevada) | 1,778.58 mi (2,862.35 km) |
| Portage to Dayton (Ohio) | 182.21 mi (293.24 km) |
| Portage to Daytona Beach (Florida) | 932.57 mi (1,500.82 km) |
| Portage to De Pere (Wisconsin) | 198.47 mi (319.41 km) |
| Portage to De Witt (New York) | 486.61 mi (783.13 km) |
| Portage to Dearborn (Michigan) | 121.83 mi (196.07 km) |
| Portage to Dearborn Heights (Michigan) | 118.59 mi (190.85 km) |
| Portage to DeBary (Florida) | 950.62 mi (1,529.87 km) |
