| Morro Bay to Rosemont (California) | 221.46 mi (356.41 km) |
| Morro Bay to Rosemount (Minnesota) | 1,595.54 mi (2,567.77 km) |
| Morro Bay to Rosenberg (Texas) | 1,508.86 mi (2,428.28 km) |
| Morro Bay to Roseville (California) | 236.49 mi (380.60 km) |
| Morro Bay to Roseville (Michigan) | 2,077.87 mi (3,344.01 km) |
| Morro Bay to Roseville (Minnesota) | 1,596.05 mi (2,568.59 km) |
| Morro Bay to Rossmoor (California) | 191.57 mi (308.30 km) |
| Morro Bay to Rossville (Maryland) | 2,427.80 mi (3,907.16 km) |
| Morro Bay to Roswell (Georgia) | 2,063.37 mi (3,320.68 km) |
| Morro Bay to Roswell (New Mexico) | 939.70 mi (1,512.31 km) |
| Morro Bay to Round Lake (Illinois) | 1,814.04 mi (2,919.42 km) |
| Morro Bay to Round Lake Beach (Illinois) | 1,815.50 mi (2,921.76 km) |
| Morro Bay to Round Rock (Texas) | 1,381.68 mi (2,223.60 km) |
| Morro Bay to Rowland Heights (California) | 193.75 mi (311.82 km) |
| Morro Bay to Rowlett (Texas) | 1,396.31 mi (2,247.14 km) |
