| Rancho San Diego to Roy (Utah) | 639.93 mi (1,029.87 km) |
| Rancho San Diego to Royal Kunia (Hawaii) | 2,629.66 mi (4,232.03 km) |
| Rancho San Diego to Royal Oak (Michigan) | 1,950.98 mi (3,139.79 km) |
| Rancho San Diego to Royal Palm Beach (Florida) | 2,229.68 mi (3,588.32 km) |
| Rancho San Diego to Royse City (Texas) | 1,193.77 mi (1,921.18 km) |
| Rancho San Diego to Ruskin (Florida) | 2,079.49 mi (3,346.61 km) |
| Rancho San Diego to Russellville (Alabama) | 1,677.79 mi (2,700.14 km) |
| Rancho San Diego to Russellville (Arkansas) | 1,369.61 mi (2,204.18 km) |
| Rancho San Diego to Ruston (Louisiana) | 1,409.70 mi (2,268.70 km) |
| Rancho San Diego to Rutherford (New Jersey) | 2,408.44 mi (3,876.02 km) |
| Rancho San Diego to Rutland (Vermont) | 2,469.38 mi (3,974.08 km) |
| Rancho San Diego to Sabana Grande (Puerto Rico) | 3,245.82 mi (5,223.64 km) |
| Rancho San Diego to Sachse (Texas) | 1,178.67 mi (1,896.88 km) |
| Rancho San Diego to Saco (Maine) | 2,595.13 mi (4,176.46 km) |
| Rancho San Diego to Sacramento (California) | 475.32 mi (764.96 km) |
