| Grass Valley to Racale | 6,388.44 mi (10,281.20 km) |
| Grass Valley to Racconigi | 5,817.24 mi (9,361.95 km) |
| Grass Valley to Raffadali | 6,407.97 mi (10,312.63 km) |
| Grass Valley to Ragusa | 6,471.75 mi (10,415.28 km) |
| Grass Valley to Ramacca | 6,444.22 mi (10,370.96 km) |
| Grass Valley to Randazzo | 6,422.53 mi (10,336.06 km) |
| Grass Valley to Rapallo | 5,886.07 mi (9,472.72 km) |
| Grass Valley to Ravanusa | 6,429.04 mi (10,346.55 km) |
| Grass Valley to Ravenna | 5,967.26 mi (9,603.38 km) |
| Grass Valley to Recanati | 6,062.98 mi (9,757.43 km) |
| Grass Valley to Recco | 5,882.70 mi (9,467.29 km) |
| Grass Valley to Reggello | 5,990.06 mi (9,640.06 km) |
| Grass Valley to Reggio di Calabria | 6,429.45 mi (10,347.20 km) |
| Grass Valley to Reggio Emilia | 5,906.95 mi (9,506.32 km) |
| Grass Valley to Reggiolo | 5,899.96 mi (9,495.07 km) |
