| Redwood City to Racale | 6,523.23 mi (10,498.12 km) |
| Redwood City to Racconigi | 5,951.50 mi (9,578.01 km) |
| Redwood City to Raffadali | 6,542.07 mi (10,528.44 km) |
| Redwood City to Ragusa | 6,605.98 mi (10,631.29 km) |
| Redwood City to Ramacca | 6,578.49 mi (10,587.06 km) |
| Redwood City to Randazzo | 6,556.90 mi (10,552.31 km) |
| Redwood City to Rapallo | 6,020.46 mi (9,688.99 km) |
| Redwood City to Ravanusa | 6,563.19 mi (10,562.44 km) |
| Redwood City to Ravenna | 6,101.93 mi (9,820.10 km) |
| Redwood City to Recanati | 6,197.68 mi (9,974.20 km) |
| Redwood City to Recco | 6,017.08 mi (9,683.56 km) |
| Redwood City to Reggello | 6,124.61 mi (9,856.61 km) |
| Redwood City to Reggio di Calabria | 6,563.93 mi (10,563.62 km) |
| Redwood City to Reggio Emilia | 6,041.51 mi (9,722.88 km) |
| Redwood City to Reggiolo | 6,034.56 mi (9,711.68 km) |
