| Barstow to Ridgeland (Mississippi) | 1,551.72 mi (2,497.25 km) |
| Barstow to Ridgewood (New Jersey) | 2,353.74 mi (3,787.98 km) |
| Barstow to Rifle (Colorado) | 603.34 mi (970.98 km) |
| Barstow to Rincon (Georgia) | 2,058.15 mi (3,312.28 km) |
| Barstow to Ringwood (New Jersey) | 2,344.75 mi (3,773.51 km) |
| Barstow to Río Grande (Puerto Rico) | 3,322.21 mi (5,346.58 km) |
| Barstow to Rio Grande City (Texas) | 1,229.23 mi (1,978.25 km) |
| Barstow to Rio Linda (California) | 358.88 mi (577.56 km) |
| Barstow to Rio Rancho (New Mexico) | 585.63 mi (942.49 km) |
| Barstow to Rio Rico (Arizona) | 420.55 mi (676.81 km) |
| Barstow to Ripon (California) | 301.91 mi (485.88 km) |
| Barstow to River Edge (New Jersey) | 2,357.85 mi (3,794.59 km) |
| Barstow to River Falls (Wisconsin) | 1,459.72 mi (2,349.20 km) |
| Barstow to River Forest (Illinois) | 1,646.69 mi (2,650.10 km) |
| Barstow to River Grove (Illinois) | 1,646.02 mi (2,649.01 km) |
