| Boerne to San Luis Obispo (California) | 1,329.84 mi (2,140.18 km) |
| Boerne to San Marcos (California) | 1,109.89 mi (1,786.19 km) |
| Boerne to San Marcos (Texas) | 47.96 mi (77.19 km) |
| Boerne to San Marino (California) | 1,173.18 mi (1,888.05 km) |
| Boerne to San Mateo (California) | 1,453.41 mi (2,339.03 km) |
| Boerne to San Pablo (California) | 1,462.44 mi (2,353.58 km) |
| Boerne to San Rafael (California) | 1,472.37 mi (2,369.56 km) |
| Boerne to San Ramon (California) | 1,437.38 mi (2,313.23 km) |
| Boerne to San Tan Valley (Arizona) | 791.09 mi (1,273.14 km) |
| Boerne to Sand Springs (Oklahoma) | 463.91 mi (746.59 km) |
| Boerne to Sandusky (Ohio) | 1,204.46 mi (1,938.38 km) |
| Boerne to Sandy (Oregon) | 1,669.55 mi (2,686.88 km) |
| Boerne to Sandy (Utah) | 1,048.65 mi (1,687.65 km) |
| Boerne to Sandy Springs (Georgia) | 889.16 mi (1,430.96 km) |
| Boerne to Sanford (Florida) | 1,053.02 mi (1,694.68 km) |
