| Morro Bay to Oakley (California) | 187.32 mi (301.46 km) |
| Morro Bay to Oakton (Virginia) | 2,388.46 mi (3,843.85 km) |
| Morro Bay to Oakville (Missouri) | 1,692.16 mi (2,723.27 km) |
| Morro Bay to Oatfield (Oregon) | 700.00 mi (1,126.54 km) |
| Morro Bay to Ocala (Florida) | 2,285.94 mi (3,678.86 km) |
| Morro Bay to Ocean Acres (New Jersey) | 2,539.92 mi (4,087.60 km) |
| Morro Bay to Ocean City (New Jersey) | 2,527.85 mi (4,068.19 km) |
| Morro Bay to Ocean Pines (Maryland) | 2,508.63 mi (4,037.25 km) |
| Morro Bay to Ocean Pointe (Hawaii) | 2,442.31 mi (3,930.52 km) |
| Morro Bay to Ocean Springs (Mississippi) | 1,883.06 mi (3,030.48 km) |
| Morro Bay to Oceanside (California) | 250.49 mi (403.13 km) |
| Morro Bay to Oceanside (New York) | 2,565.14 mi (4,128.20 km) |
| Morro Bay to Ocoee (Florida) | 2,335.81 mi (3,759.13 km) |
| Morro Bay to Oconomowoc (Wisconsin) | 1,799.26 mi (2,895.63 km) |
| Morro Bay to Odenton (Maryland) | 2,419.06 mi (3,893.10 km) |
