| Castle Rock to Racale | 5,880.51 mi (9,463.77 km) |
| Castle Rock to Racconigi | 5,273.53 mi (8,486.92 km) |
| Castle Rock to Raffadali | 5,847.98 mi (9,411.41 km) |
| Castle Rock to Ragusa | 5,917.04 mi (9,522.55 km) |
| Castle Rock to Ramacca | 5,892.52 mi (9,483.09 km) |
| Castle Rock to Randazzo | 5,876.22 mi (9,456.86 km) |
| Castle Rock to Rapallo | 5,348.86 mi (8,608.16 km) |
| Castle Rock to Ravanusa | 5,871.21 mi (9,448.81 km) |
| Castle Rock to Ravenna | 5,450.08 mi (8,771.06 km) |
| Castle Rock to Recanati | 5,547.20 mi (8,927.36 km) |
| Castle Rock to Recco | 5,345.09 mi (8,602.09 km) |
| Castle Rock to Reggello | 5,462.72 mi (8,791.39 km) |
| Castle Rock to Reggio di Calabria | 5,889.94 mi (9,478.95 km) |
| Castle Rock to Reggio Emilia | 5,381.58 mi (8,660.82 km) |
| Castle Rock to Reggiolo | 5,377.50 mi (8,654.24 km) |
