| Barstow to Racale | 6,529.85 mi (10,508.78 km) |
| Barstow to Racconigi | 5,938.29 mi (9,556.75 km) |
| Barstow to Raffadali | 6,522.49 mi (10,496.94 km) |
| Barstow to Ragusa | 6,589.34 mi (10,604.52 km) |
| Barstow to Ramacca | 6,563.32 mi (10,562.65 km) |
| Barstow to Randazzo | 6,544.42 mi (10,532.23 km) |
| Barstow to Rapallo | 6,010.74 mi (9,673.36 km) |
| Barstow to Ravanusa | 6,544.81 mi (10,532.85 km) |
| Barstow to Ravenna | 6,102.42 mi (9,820.89 km) |
| Barstow to Recanati | 6,199.21 mi (9,976.67 km) |
| Barstow to Recco | 6,007.15 mi (9,667.58 km) |
| Barstow to Reggello | 6,120.18 mi (9,849.48 km) |
| Barstow to Reggio di Calabria | 6,554.94 mi (10,549.16 km) |
| Barstow to Reggio Emilia | 6,037.75 mi (9,716.82 km) |
| Barstow to Reggiolo | 6,032.20 mi (9,707.89 km) |
