| Morro Bay to Robertsville (New Jersey) | 2,533.53 mi (4,077.33 km) |
| Morro Bay to Robinson (Texas) | 1,391.52 mi (2,239.44 km) |
| Morro Bay to Robstown (Texas) | 1,456.85 mi (2,344.58 km) |
| Morro Bay to Rochester (Michigan) | 2,068.82 mi (3,329.44 km) |
| Morro Bay to Rochester (Minnesota) | 1,612.34 mi (2,594.81 km) |
| Morro Bay to Rochester (New Hampshire) | 2,679.96 mi (4,312.97 km) |
| Morro Bay to Rochester (New York) | 2,347.13 mi (3,777.35 km) |
| Morro Bay to Rochester Hills (Michigan) | 2,066.93 mi (3,326.40 km) |
| Morro Bay to Rock Hill (South Carolina) | 2,234.39 mi (3,595.90 km) |
| Morro Bay to Rock Island (Illinois) | 1,682.34 mi (2,707.46 km) |
| Morro Bay to Rock Springs (Wyoming) | 760.87 mi (1,224.50 km) |
| Morro Bay to Rockford (Illinois) | 1,764.77 mi (2,840.13 km) |
| Morro Bay to Rockledge (Florida) | 2,387.43 mi (3,842.20 km) |
| Morro Bay to Rocklin (California) | 238.66 mi (384.08 km) |
| Morro Bay to Rockport (Texas) | 1,482.27 mi (2,385.49 km) |
