| Quincy to Dover (New Hampshire) | 65.17 mi (104.89 km) |
| Quincy to Dover (New Jersey) | 205.88 mi (331.33 km) |
| Quincy to Dover (Ohio) | 554.78 mi (892.83 km) |
| Quincy to Downers Grove (Illinois) | 871.62 mi (1,402.74 km) |
| Quincy to Downey (California) | 2,591.19 mi (4,170.12 km) |
| Quincy to Dranesville (Virginia) | 401.69 mi (646.46 km) |
| Quincy to Draper (Utah) | 2,100.73 mi (3,380.80 km) |
| Quincy to Drexel Heights (Arizona) | 2,287.47 mi (3,681.33 km) |
| Quincy to Drexel Hill (Pennsylvania) | 273.90 mi (440.81 km) |
| Quincy to Duarte (California) | 2,575.00 mi (4,144.05 km) |
| Quincy to Dublin (California) | 2,671.62 mi (4,299.56 km) |
| Quincy to Dublin (Georgia) | 935.16 mi (1,504.99 km) |
| Quincy to Dublin (Ohio) | 647.09 mi (1,041.39 km) |
| Quincy to Dubuque (Iowa) | 1,002.82 mi (1,613.89 km) |
| Quincy to Duluth (Georgia) | 911.32 mi (1,466.62 km) |
