| Rancho Santa Margarita to Camarillo (California) | 91.76 mi (147.68 km) |
| Rancho Santa Margarita to Camas (Washington) | 865.58 mi (1,393.02 km) |
| Rancho Santa Margarita to Cambridge (Maryland) | 2,323.13 mi (3,738.71 km) |
| Rancho Santa Margarita to Cambridge (Massachusetts) | 2,568.22 mi (4,133.16 km) |
| Rancho Santa Margarita to Camden (Arkansas) | 1,421.05 mi (2,286.95 km) |
| Rancho Santa Margarita to Camden (New Jersey) | 2,368.55 mi (3,811.81 km) |
| Rancho Santa Margarita to Cameron Park (California) | 396.27 mi (637.74 km) |
| Rancho Santa Margarita to Camp Pendleton South (California) | 30.01 mi (48.29 km) |
| Rancho Santa Margarita to Camp Springs (Maryland) | 2,276.59 mi (3,663.82 km) |
| Rancho Santa Margarita to Camp Verde (Arizona) | 334.83 mi (538.86 km) |
| Rancho Santa Margarita to Campbell (California) | 351.51 mi (565.71 km) |
| Rancho Santa Margarita to Campbellsville (Kentucky) | 1,823.29 mi (2,934.31 km) |
| Rancho Santa Margarita to Campton Hills (Illinois) | 1,683.97 mi (2,710.09 km) |
| Rancho Santa Margarita to Canby (Oregon) | 847.93 mi (1,364.61 km) |
| Rancho Santa Margarita to Candelaria (Puerto Rico) | 3,322.79 mi (5,347.51 km) |
