| Portage to Decatur (Alabama) | 532.37 mi (856.77 km) |
| Portage to Decatur (Georgia) | 586.61 mi (944.06 km) |
| Portage to Decatur (Illinois) | 237.89 mi (382.85 km) |
| Portage to Deer Park (New York) | 642.21 mi (1,033.53 km) |
| Portage to Deer Park (Texas) | 1,013.82 mi (1,631.59 km) |
| Portage to Deerfield (Illinois) | 115.78 mi (186.33 km) |
| Portage to Deerfield Beach (Florida) | 1,141.03 mi (1,836.30 km) |
| Portage to Defiance (Ohio) | 89.54 mi (144.09 km) |
| Portage to DeForest (Wisconsin) | 203.34 mi (327.24 km) |
| Portage to DeKalb (Illinois) | 163.01 mi (262.34 km) |
| Portage to Del Aire (California) | 1,859.65 mi (2,992.81 km) |
| Portage to Del City (Oklahoma) | 789.02 mi (1,269.81 km) |
| Portage to Del Rio (Texas) | 1,229.12 mi (1,978.08 km) |
| Portage to DeLand (Florida) | 941.66 mi (1,515.46 km) |
| Portage to Delano (California) | 1,849.40 mi (2,976.32 km) |
