| Apex to Dover (New Jersey) | 426.41 mi (686.24 km) |
| Apex to Dover (Ohio) | 361.01 mi (580.99 km) |
| Apex to Downers Grove (Illinois) | 646.33 mi (1,040.17 km) |
| Apex to Downey (California) | 2,215.01 mi (3,564.72 km) |
| Apex to Dranesville (Virginia) | 240.68 mi (387.34 km) |
| Apex to Draper (Utah) | 1,812.43 mi (2,916.82 km) |
| Apex to Drexel Heights (Arizona) | 1,852.51 mi (2,981.33 km) |
| Apex to Drexel Hill (Pennsylvania) | 350.94 mi (564.78 km) |
| Apex to Duarte (California) | 2,201.17 mi (3,542.44 km) |
| Apex to Dublin (California) | 2,365.67 mi (3,807.18 km) |
| Apex to Dublin (Georgia) | 319.72 mi (514.54 km) |
| Apex to Dublin (Ohio) | 382.12 mi (614.96 km) |
| Apex to Dubuque (Iowa) | 787.18 mi (1,266.85 km) |
| Apex to Duluth (Georgia) | 321.69 mi (517.71 km) |
| Apex to Duluth (Minnesota) | 1,025.74 mi (1,650.76 km) |
