| Rancho Santa Margarita to Ridgeland (Mississippi) | 1,587.71 mi (2,555.18 km) |
| Rancho Santa Margarita to Ridgewood (New Jersey) | 2,417.45 mi (3,890.50 km) |
| Rancho Santa Margarita to Rifle (Colorado) | 680.19 mi (1,094.66 km) |
| Rancho Santa Margarita to Rincon (Georgia) | 2,099.18 mi (3,378.30 km) |
| Rancho Santa Margarita to Ringwood (New Jersey) | 2,408.69 mi (3,876.41 km) |
| Rancho Santa Margarita to Río Grande (Puerto Rico) | 3,345.34 mi (5,383.80 km) |
| Rancho Santa Margarita to Rio Grande City (Texas) | 1,227.61 mi (1,975.64 km) |
| Rancho Santa Margarita to Rio Linda (California) | 409.75 mi (659.43 km) |
| Rancho Santa Margarita to Rio Rancho (New Mexico) | 631.10 mi (1,015.65 km) |
| Rancho Santa Margarita to Rio Rico (Arizona) | 412.15 mi (663.29 km) |
| Rancho Santa Margarita to Ripon (California) | 346.24 mi (557.22 km) |
| Rancho Santa Margarita to River Edge (New Jersey) | 2,421.45 mi (3,896.95 km) |
| Rancho Santa Margarita to River Falls (Wisconsin) | 1,535.93 mi (2,471.83 km) |
| Rancho Santa Margarita to River Forest (Illinois) | 1,713.55 mi (2,757.69 km) |
| Rancho Santa Margarita to River Grove (Illinois) | 1,712.95 mi (2,756.73 km) |
