| Morro Bay to Dover (New Hampshire) | 2,685.43 mi (4,321.78 km) |
| Morro Bay to Dover (New Jersey) | 2,515.04 mi (4,047.56 km) |
| Morro Bay to Dover (Ohio) | 2,156.14 mi (3,469.97 km) |
| Morro Bay to Downers Grove (Illinois) | 1,816.04 mi (2,922.64 km) |
| Morro Bay to Downey (California) | 183.33 mi (295.05 km) |
| Morro Bay to Dranesville (Virginia) | 2,383.83 mi (3,836.41 km) |
| Morro Bay to Draper (Utah) | 603.97 mi (971.99 km) |
| Morro Bay to Drexel Heights (Arizona) | 605.05 mi (973.73 km) |
| Morro Bay to Drexel Hill (Pennsylvania) | 2,484.18 mi (3,997.91 km) |
| Morro Bay to Duarte (California) | 184.41 mi (296.78 km) |
| Morro Bay to Dublin (California) | 172.34 mi (277.35 km) |
| Morro Bay to Dublin (Georgia) | 2,168.91 mi (3,490.53 km) |
| Morro Bay to Dublin (Ohio) | 2,070.20 mi (3,331.67 km) |
| Morro Bay to Dubuque (Iowa) | 1,683.10 mi (2,708.68 km) |
| Morro Bay to Duluth (Georgia) | 2,075.17 mi (3,339.67 km) |
