| Barstow to Superior (Colorado) | 739.65 mi (1,190.35 km) |
| Barstow to Superior (Wisconsin) | 1,530.56 mi (2,463.20 km) |
| Barstow to Surprise (Arizona) | 274.83 mi (442.29 km) |
| Barstow to Susanville (California) | 430.42 mi (692.70 km) |
| Barstow to Sussex (Wisconsin) | 1,639.90 mi (2,639.16 km) |
| Barstow to Suwanee (Georgia) | 1,871.11 mi (3,011.26 km) |
| Barstow to Swansea (Illinois) | 1,514.77 mi (2,437.78 km) |
| Barstow to Sweetwater (Florida) | 2,261.52 mi (3,639.56 km) |
| Barstow to Sweetwater (Texas) | 969.79 mi (1,560.73 km) |
| Barstow to Sycamore (Illinois) | 1,603.76 mi (2,581.00 km) |
| Barstow to Sylacauga (Alabama) | 1,759.98 mi (2,832.41 km) |
| Barstow to Sylvania (Ohio) | 1,856.12 mi (2,987.14 km) |
| Barstow to Syosset (New York) | 2,386.38 mi (3,840.51 km) |
| Barstow to Syracuse (New York) | 2,245.41 mi (3,613.63 km) |
| Barstow to Syracuse (Utah) | 507.88 mi (817.36 km) |
