| Rancho San Diego to Ramsey (New Jersey) | 2,406.24 mi (3,872.47 km) |
| Rancho San Diego to Rancho Cordova (California) | 469.29 mi (755.26 km) |
| Rancho San Diego to Rancho Cucamonga (California) | 101.25 mi (162.94 km) |
| Rancho San Diego to Rancho Mirage (California) | 74.79 mi (120.37 km) |
| Rancho San Diego to Rancho Palos Verdes (California) | 108.00 mi (173.81 km) |
| Rancho San Diego to Rancho Santa Margarita (California) | 71.76 mi (115.49 km) |
| Rancho San Diego to Randallstown (Maryland) | 2,267.41 mi (3,649.04 km) |
| Rancho San Diego to Rantoul (Illinois) | 1,671.14 mi (2,689.44 km) |
| Rancho San Diego to Rapid City (South Dakota) | 1,074.42 mi (1,729.11 km) |
| Rancho San Diego to Ravenna (Ohio) | 2,037.49 mi (3,279.02 km) |
| Rancho San Diego to Raymondville (Texas) | 1,226.82 mi (1,974.37 km) |
| Rancho San Diego to Raymore (Missouri) | 1,322.30 mi (2,128.04 km) |
| Rancho San Diego to Raytown (Missouri) | 1,324.69 mi (2,131.89 km) |
| Rancho San Diego to Reading (Ohio) | 1,859.39 mi (2,992.40 km) |
| Rancho San Diego to Reading (Pennsylvania) | 2,313.12 mi (3,722.60 km) |
