| Barstow to Roy (Utah) | 513.42 mi (826.26 km) |
| Barstow to Royal Kunia (Hawaii) | 2,643.01 mi (4,253.51 km) |
| Barstow to Royal Oak (Michigan) | 1,888.63 mi (3,039.46 km) |
| Barstow to Royal Palm Beach (Florida) | 2,243.74 mi (3,610.96 km) |
| Barstow to Royse City (Texas) | 1,193.51 mi (1,920.77 km) |
| Barstow to Ruskin (Florida) | 2,092.41 mi (3,367.41 km) |
| Barstow to Russellville (Alabama) | 1,659.93 mi (2,671.39 km) |
| Barstow to Russellville (Arkansas) | 1,349.03 mi (2,171.05 km) |
| Barstow to Ruston (Louisiana) | 1,408.92 mi (2,267.44 km) |
| Barstow to Rutherford (New Jersey) | 2,354.88 mi (3,789.81 km) |
| Barstow to Rutland (Vermont) | 2,404.46 mi (3,869.60 km) |
| Barstow to Sabana Grande (Puerto Rico) | 3,269.34 mi (5,261.50 km) |
| Barstow to Sachse (Texas) | 1,178.72 mi (1,896.97 km) |
| Barstow to Saco (Maine) | 2,530.48 mi (4,072.41 km) |
| Barstow to Sacramento (California) | 353.99 mi (569.70 km) |
