| San Diego to Racale | 6,650.29 mi (10,702.60 km) |
| San Diego to Racconigi | 6,054.91 mi (9,744.44 km) |
| San Diego to Raffadali | 6,636.99 mi (10,681.20 km) |
| San Diego to Ragusa | 6,704.46 mi (10,789.79 km) |
| San Diego to Ramacca | 6,678.82 mi (10,748.53 km) |
| San Diego to Randazzo | 6,660.57 mi (10,719.16 km) |
| San Diego to Rapallo | 6,128.10 mi (9,862.22 km) |
| San Diego to Ravanusa | 6,659.56 mi (10,717.53 km) |
| San Diego to Ravenna | 6,221.94 mi (10,013.25 km) |
| San Diego to Recanati | 6,318.87 mi (10,169.24 km) |
| San Diego to Recco | 6,124.46 mi (9,856.37 km) |
| San Diego to Reggello | 6,238.61 mi (10,040.07 km) |
| San Diego to Reggio di Calabria | 6,671.89 mi (10,737.37 km) |
| San Diego to Reggio Emilia | 6,156.41 mi (9,907.79 km) |
| San Diego to Reggiolo | 6,151.18 mi (9,899.36 km) |
