| Rancho Santa Margarita to Robertsville (New Jersey) | 2,409.97 mi (3,878.47 km) |
| Rancho Santa Margarita to Robinson (Texas) | 1,200.29 mi (1,931.69 km) |
| Rancho Santa Margarita to Robstown (Texas) | 1,248.20 mi (2,008.78 km) |
| Rancho Santa Margarita to Rochester (Michigan) | 1,959.12 mi (3,152.89 km) |
| Rancho Santa Margarita to Rochester (Minnesota) | 1,522.12 mi (2,449.62 km) |
| Rancho Santa Margarita to Rochester (New Hampshire) | 2,573.53 mi (4,141.70 km) |
| Rancho Santa Margarita to Rochester (New York) | 2,239.38 mi (3,603.93 km) |
| Rancho Santa Margarita to Rochester Hills (Michigan) | 1,957.09 mi (3,149.63 km) |
| Rancho Santa Margarita to Rock Hill (South Carolina) | 2,078.25 mi (3,344.62 km) |
| Rancho Santa Margarita to Rock Island (Illinois) | 1,568.00 mi (2,523.45 km) |
| Rancho Santa Margarita to Rock Springs (Wyoming) | 715.46 mi (1,151.42 km) |
| Rancho Santa Margarita to Rockford (Illinois) | 1,655.47 mi (2,664.23 km) |
| Rancho Santa Margarita to Rockledge (Florida) | 2,202.60 mi (3,544.74 km) |
| Rancho Santa Margarita to Rocklin (California) | 411.34 mi (661.99 km) |
| Rancho Santa Margarita to Rockport (Texas) | 1,275.28 mi (2,052.36 km) |
