| Barstow to Robertsville (New Jersey) | 2,347.57 mi (3,778.06 km) |
| Barstow to Robinson (Texas) | 1,174.44 mi (1,890.09 km) |
| Barstow to Robstown (Texas) | 1,240.89 mi (1,997.01 km) |
| Barstow to Rochester (Michigan) | 1,891.43 mi (3,043.96 km) |
| Barstow to Rochester (Minnesota) | 1,447.94 mi (2,330.23 km) |
| Barstow to Rochester (New Hampshire) | 2,505.31 mi (4,031.91 km) |
| Barstow to Rochester (New York) | 2,171.33 mi (3,494.41 km) |
| Barstow to Rochester Hills (Michigan) | 1,889.45 mi (3,040.77 km) |
| Barstow to Rock Hill (South Carolina) | 2,029.94 mi (3,266.87 km) |
| Barstow to Rock Island (Illinois) | 1,501.37 mi (2,416.22 km) |
| Barstow to Rock Springs (Wyoming) | 629.17 mi (1,012.55 km) |
| Barstow to Rockford (Illinois) | 1,587.27 mi (2,554.47 km) |
| Barstow to Rockledge (Florida) | 2,172.02 mi (3,495.53 km) |
| Barstow to Rocklin (California) | 357.89 mi (575.96 km) |
| Barstow to Rockport (Texas) | 1,265.75 mi (2,037.02 km) |
