| Morro Bay to Romeoville (Illinois) | 1,811.18 mi (2,914.81 km) |
| Morro Bay to Romulus (Michigan) | 2,055.69 mi (3,308.31 km) |
| Morro Bay to Ronkonkoma (New York) | 2,590.17 mi (4,168.48 km) |
| Morro Bay to Roosevelt (New York) | 2,567.46 mi (4,131.93 km) |
| Morro Bay to Rosamond (California) | 152.78 mi (245.88 km) |
| Morro Bay to Rosaryville (Maryland) | 2,414.97 mi (3,886.51 km) |
| Morro Bay to Roscoe (Illinois) | 1,768.63 mi (2,846.34 km) |
| Morro Bay to Rose Hill (Virginia) | 2,399.74 mi (3,862.01 km) |
| Morro Bay to Roseburg (Oregon) | 558.91 mi (899.48 km) |
| Morro Bay to Rosedale (California) | 92.53 mi (148.92 km) |
| Morro Bay to Rosedale (Maryland) | 2,426.41 mi (3,904.92 km) |
| Morro Bay to Roselle (Illinois) | 1,813.28 mi (2,918.20 km) |
| Morro Bay to Roselle (New Jersey) | 2,532.54 mi (4,075.74 km) |
| Morro Bay to Roselle Park (New Jersey) | 2,532.09 mi (4,075.00 km) |
| Morro Bay to Rosemead (California) | 180.91 mi (291.15 km) |
