| Boerne to Smyrna (Delaware) | 1,464.93 mi (2,357.58 km) |
| Boerne to Smyrna (Georgia) | 879.74 mi (1,415.81 km) |
| Boerne to Smyrna (Tennessee) | 826.02 mi (1,329.35 km) |
| Boerne to Snellville (Georgia) | 908.13 mi (1,461.49 km) |
| Boerne to Snoqualmie (Washington) | 1,735.91 mi (2,793.67 km) |
| Boerne to Snyder (Texas) | 239.91 mi (386.09 km) |
| Boerne to Socastee (South Carolina) | 1,187.76 mi (1,911.52 km) |
| Boerne to Socorro (Texas) | 465.21 mi (748.68 km) |
| Boerne to Soddy-Daisy (Tennessee) | 874.49 mi (1,407.35 km) |
| Boerne to Solana Beach (California) | 1,113.52 mi (1,792.03 km) |
| Boerne to Soledad (California) | 1,383.18 mi (2,226.01 km) |
| Boerne to Solon (Ohio) | 1,255.27 mi (2,020.16 km) |
| Boerne to Somers Point (New Jersey) | 1,516.10 mi (2,439.93 km) |
| Boerne to Somerset (Kentucky) | 955.98 mi (1,538.51 km) |
| Boerne to Somerset (New Jersey) | 1,549.07 mi (2,492.98 km) |
