| California to Racale | 4,803.29 mi (7,730.16 km) |
| California to Racconigi | 4,177.74 mi (6,723.43 km) |
| California to Raffadali | 4,691.80 mi (7,550.71 km) |
| California to Ragusa | 4,765.18 mi (7,668.82 km) |
| California to Ramacca | 4,746.65 mi (7,639.00 km) |
| California to Randazzo | 4,739.56 mi (7,627.58 km) |
| California to Rapallo | 4,258.85 mi (6,853.96 km) |
| California to Ravanusa | 4,717.09 mi (7,591.43 km) |
| California to Ravenna | 4,386.17 mi (7,058.85 km) |
| California to Recanati | 4,479.05 mi (7,208.34 km) |
| California to Recco | 4,254.66 mi (6,847.22 km) |
| California to Reggello | 4,381.39 mi (7,051.16 km) |
| California to Reggio di Calabria | 4,763.01 mi (7,665.32 km) |
| California to Reggio Emilia | 4,308.87 mi (6,934.45 km) |
| California to Reggiolo | 4,309.84 mi (6,936.02 km) |
