| Morro Bay to Ridgeland (Mississippi) | 1,765.31 mi (2,840.99 km) |
| Morro Bay to Ridgewood (New Jersey) | 2,537.43 mi (4,083.60 km) |
| Morro Bay to Rifle (Colorado) | 771.90 mi (1,242.26 km) |
| Morro Bay to Rincon (Georgia) | 2,268.39 mi (3,650.62 km) |
| Morro Bay to Ringwood (New Jersey) | 2,528.04 mi (4,068.49 km) |
| Morro Bay to Río Grande (Puerto Rico) | 3,539.30 mi (5,695.95 km) |
| Morro Bay to Rio Grande City (Texas) | 1,441.87 mi (2,320.46 km) |
| Morro Bay to Rio Linda (California) | 231.66 mi (372.83 km) |
| Morro Bay to Rio Rancho (New Mexico) | 796.98 mi (1,282.61 km) |
| Morro Bay to Rio Rico (Arizona) | 627.92 mi (1,010.54 km) |
| Morro Bay to Ripon (California) | 164.74 mi (265.13 km) |
| Morro Bay to River Edge (New Jersey) | 2,541.72 mi (4,090.50 km) |
| Morro Bay to River Falls (Wisconsin) | 1,618.45 mi (2,604.65 km) |
| Morro Bay to River Forest (Illinois) | 1,826.60 mi (2,939.63 km) |
| Morro Bay to River Grove (Illinois) | 1,825.77 mi (2,938.30 km) |
