| Mortara to Dardenne Prairie (Missouri) | 4,785.33 mi (7,701.25 km) |
| Mortara to Darien (Illinois) | 4,540.48 mi (7,307.19 km) |
| Mortara to Davenport (Iowa) | 4,651.85 mi (7,486.43 km) |
| Mortara to Davidson (North Carolina) | 4,517.75 mi (7,270.61 km) |
| Mortara to Davie (Florida) | 4,917.08 mi (7,913.27 km) |
| Mortara to Davis (California) | 5,880.77 mi (9,464.19 km) |
| Mortara to Dayton (Nevada) | 5,776.22 mi (9,295.93 km) |
| Mortara to Dayton (Ohio) | 4,473.81 mi (7,199.91 km) |
| Mortara to Daytona Beach (Florida) | 4,810.91 mi (7,742.42 km) |
| Mortara to De Pere (Wisconsin) | 4,426.29 mi (7,123.43 km) |
| Mortara to De Witt (New York) | 4,002.48 mi (6,441.38 km) |
| Mortara to Dearborn (Michigan) | 4,325.03 mi (6,960.46 km) |
| Mortara to Dearborn Heights (Michigan) | 4,327.46 mi (6,964.37 km) |
| Mortara to DeBary (Florida) | 4,835.68 mi (7,782.27 km) |
| Mortara to Decatur (Alabama) | 4,823.90 mi (7,763.31 km) |
