| Barstow to River Ridge (Louisiana) | 1,595.98 mi (2,568.49 km) |
| Barstow to Riverbank (California) | 293.41 mi (472.20 km) |
| Barstow to Riverdale (Georgia) | 1,858.66 mi (2,991.23 km) |
| Barstow to Riverdale (Illinois) | 1,653.89 mi (2,661.68 km) |
| Barstow to Riverside (California) | 67.11 mi (108.01 km) |
| Barstow to Riverside (Ohio) | 1,829.98 mi (2,945.08 km) |
| Barstow to Riverton (Utah) | 479.09 mi (771.03 km) |
| Barstow to Riverton (Wyoming) | 730.08 mi (1,174.96 km) |
| Barstow to Riverview (Florida) | 2,096.07 mi (3,373.30 km) |
| Barstow to Riverview (Michigan) | 1,884.72 mi (3,033.17 km) |
| Barstow to Riviera Beach (Florida) | 2,250.08 mi (3,621.16 km) |
| Barstow to Riviera Beach (Maryland) | 2,236.52 mi (3,599.34 km) |
| Barstow to Roanoke (Virginia) | 2,064.76 mi (3,322.91 km) |
| Barstow to Roanoke Rapids (North Carolina) | 2,199.12 mi (3,539.14 km) |
| Barstow to Robbinsdale (Minnesota) | 1,431.24 mi (2,303.35 km) |
