| Boerne to Southern Pines (North Carolina) | 1,184.29 mi (1,905.93 km) |
| Boerne to Southfield (Michigan) | 1,226.63 mi (1,974.07 km) |
| Boerne to Southgate (Michigan) | 1,216.64 mi (1,957.99 km) |
| Boerne to Southlake (Texas) | 237.99 mi (383.00 km) |
| Boerne to Spanaway (Washington) | 1,740.58 mi (2,801.19 km) |
| Boerne to Spanish Fork (Utah) | 1,019.47 mi (1,640.69 km) |
| Boerne to Spanish Lake (Missouri) | 788.89 mi (1,269.59 km) |
| Boerne to Spanish Springs (Nevada) | 1,365.92 mi (2,198.24 km) |
| Boerne to Sparks (Nevada) | 1,365.93 mi (2,198.25 km) |
| Boerne to Spartanburg (South Carolina) | 1,041.84 mi (1,676.67 km) |
| Boerne to Spearfish (South Dakota) | 1,053.45 mi (1,695.36 km) |
| Boerne to Speedway (Indiana) | 987.95 mi (1,589.95 km) |
| Boerne to Spencer (Iowa) | 944.12 mi (1,519.41 km) |
| Boerne to Spokane (Washington) | 1,585.93 mi (2,552.31 km) |
| Boerne to Spokane Valley (Washington) | 1,579.14 mi (2,541.38 km) |
