| Boerne to Superior (Colorado) | 789.76 mi (1,271.00 km) |
| Boerne to Superior (Wisconsin) | 1,221.61 mi (1,965.99 km) |
| Boerne to Surprise (Arizona) | 849.32 mi (1,366.85 km) |
| Boerne to Susanville (California) | 1,432.88 mi (2,305.99 km) |
| Boerne to Sussex (Wisconsin) | 1,089.62 mi (1,753.57 km) |
| Boerne to Suwanee (Georgia) | 907.89 mi (1,461.11 km) |
| Boerne to Swansea (Illinois) | 784.45 mi (1,262.45 km) |
| Boerne to Sweetwater (Florida) | 1,154.13 mi (1,857.39 km) |
| Boerne to Sweetwater (Texas) | 210.41 mi (338.62 km) |
| Boerne to Sycamore (Illinois) | 1,012.30 mi (1,629.13 km) |
| Boerne to Sylacauga (Alabama) | 770.61 mi (1,240.17 km) |
| Boerne to Sylvania (Ohio) | 1,174.89 mi (1,890.80 km) |
| Boerne to Syosset (New York) | 1,605.55 mi (2,583.89 km) |
| Boerne to Syracuse (New York) | 1,546.01 mi (2,488.06 km) |
| Boerne to Syracuse (Utah) | 1,080.85 mi (1,739.47 km) |
