| Rancho San Diego to Reidsville (North Carolina) | 2,120.90 mi (3,413.26 km) |
| Rancho San Diego to Reisterstown (Maryland) | 2,266.68 mi (3,647.88 km) |
| Rancho San Diego to Rendon (Texas) | 1,143.32 mi (1,840.00 km) |
| Rancho San Diego to Reno (Nevada) | 496.52 mi (799.07 km) |
| Rancho San Diego to Renton (Washington) | 1,053.60 mi (1,695.60 km) |
| Rancho San Diego to Republic (Missouri) | 1,359.66 mi (2,188.15 km) |
| Rancho San Diego to Reston (Virginia) | 2,238.93 mi (3,603.21 km) |
| Rancho San Diego to Revere (Massachusetts) | 2,567.63 mi (4,132.20 km) |
| Rancho San Diego to Rexburg (Idaho) | 812.77 mi (1,308.03 km) |
| Rancho San Diego to Reynoldsburg (Ohio) | 1,949.84 mi (3,137.97 km) |
| Rancho San Diego to Rialto (California) | 97.46 mi (156.85 km) |
| Rancho San Diego to Richardson (Texas) | 1,171.17 mi (1,884.81 km) |
| Rancho San Diego to Richfield (Minnesota) | 1,514.17 mi (2,436.83 km) |
| Rancho San Diego to Richfield (Wisconsin) | 1,709.70 mi (2,751.49 km) |
| Rancho San Diego to Richland (Washington) | 942.55 mi (1,516.89 km) |
