| Boerne to Caguas (Puerto Rico) | 2,202.60 mi (3,544.75 km) |
| Boerne to Cahokia (Illinois) | 778.23 mi (1,252.44 km) |
| Boerne to Calabasas (California) | 1,204.72 mi (1,938.80 km) |
| Boerne to Caldwell (Idaho) | 1,373.90 mi (2,211.07 km) |
| Boerne to Caledonia (Wisconsin) | 1,081.35 mi (1,740.26 km) |
| Boerne to Calera (Alabama) | 742.58 mi (1,195.06 km) |
| Boerne to Calexico (California) | 1,009.37 mi (1,624.42 km) |
| Boerne to Calhoun (Georgia) | 868.92 mi (1,398.40 km) |
| Boerne to California (Maryland) | 1,397.46 mi (2,249.00 km) |
| Boerne to California City (California) | 1,173.71 mi (1,888.90 km) |
| Boerne to Callaway (Florida) | 788.44 mi (1,268.88 km) |
| Boerne to Calumet City (Illinois) | 1,028.29 mi (1,654.88 km) |
| Boerne to Calverton (Maryland) | 1,391.92 mi (2,240.07 km) |
| Boerne to Camano (Washington) | 1,786.44 mi (2,875.00 km) |
| Boerne to Camarillo (California) | 1,226.14 mi (1,973.28 km) |
