| San Diego to Radauti | 6,411.41 mi (10,318.17 km) |
| San Diego to Ramnicu Sarat | 6,585.84 mi (10,598.88 km) |
| San Diego to Ramnicu Valcea | 6,535.68 mi (10,518.16 km) |
| San Diego to Rasnov | 6,534.12 mi (10,515.65 km) |
| San Diego to Reghin | 6,445.58 mi (10,373.15 km) |
| San Diego to Resita | 6,459.07 mi (10,394.87 km) |
| San Diego to Roman | 6,489.66 mi (10,444.09 km) |
| San Diego to Rosiori de Vede | 6,610.10 mi (10,637.93 km) |
| San Diego to Rovinari | 6,515.41 mi (10,485.54 km) |
| San Diego to Roznov | 6,485.50 mi (10,437.41 km) |
| San Diego to Sabaoani | 6,482.59 mi (10,432.71 km) |
| San Diego to Sacele | 6,538.69 mi (10,523.01 km) |
| San Diego to Sacueni | 6,346.05 mi (10,212.98 km) |
| San Diego to Salcea | 6,433.45 mi (10,353.63 km) |
| San Diego to Salonta | 6,366.43 mi (10,245.78 km) |
