| Morro Bay to Decatur (Alabama) | 1,908.35 mi (3,071.19 km) |
| Morro Bay to Decatur (Georgia) | 2,070.71 mi (3,332.48 km) |
| Morro Bay to Decatur (Illinois) | 1,764.39 mi (2,839.52 km) |
| Morro Bay to Deer Park (New York) | 2,580.32 mi (4,152.62 km) |
| Morro Bay to Deer Park (Texas) | 1,544.65 mi (2,485.87 km) |
| Morro Bay to Deerfield (Illinois) | 1,826.12 mi (2,938.86 km) |
| Morro Bay to Deerfield Beach (Florida) | 2,477.09 mi (3,986.49 km) |
| Morro Bay to Defiance (Ohio) | 2,003.90 mi (3,224.97 km) |
| Morro Bay to DeForest (Wisconsin) | 1,757.88 mi (2,829.03 km) |
| Morro Bay to DeKalb (Illinois) | 1,779.11 mi (2,863.21 km) |
| Morro Bay to Del Aire (California) | 172.95 mi (278.33 km) |
| Morro Bay to Del City (Oklahoma) | 1,315.07 mi (2,116.40 km) |
| Morro Bay to Del Rio (Texas) | 1,234.05 mi (1,986.01 km) |
| Morro Bay to DeLand (Florida) | 2,338.45 mi (3,763.38 km) |
| Morro Bay to Delano (California) | 93.21 mi (150.01 km) |
