| Barstow to Caguas (Puerto Rico) | 3,316.14 mi (5,336.82 km) |
| Barstow to Cahokia (Illinois) | 1,504.34 mi (2,421.00 km) |
| Barstow to Calabasas (California) | 105.17 mi (169.26 km) |
| Barstow to Caldwell (Idaho) | 606.94 mi (976.77 km) |
| Barstow to Caledonia (Wisconsin) | 1,653.07 mi (2,660.36 km) |
| Barstow to Calera (Alabama) | 1,733.40 mi (2,789.64 km) |
| Barstow to Calexico (California) | 175.11 mi (281.81 km) |
| Barstow to Calhoun (Georgia) | 1,816.68 mi (2,923.66 km) |
| Barstow to California (Maryland) | 2,244.40 mi (3,612.01 km) |
| Barstow to California City (California) | 50.85 mi (81.84 km) |
| Barstow to Callaway (Florida) | 1,856.06 mi (2,987.03 km) |
| Barstow to Calumet City (Illinois) | 1,658.06 mi (2,668.39 km) |
| Barstow to Calverton (Maryland) | 2,214.60 mi (3,564.05 km) |
| Barstow to Camano (Washington) | 961.53 mi (1,547.43 km) |
| Barstow to Camarillo (California) | 121.39 mi (195.36 km) |
