| Box Elder to Superior (Colorado) | 307.70 mi (495.19 km) |
| Box Elder to Superior (Wisconsin) | 562.07 mi (904.56 km) |
| Box Elder to Surprise (Arizona) | 878.03 mi (1,413.05 km) |
| Box Elder to Susanville (California) | 929.93 mi (1,496.57 km) |
| Box Elder to Sussex (Wisconsin) | 745.24 mi (1,199.34 km) |
| Box Elder to Suwanee (Georgia) | 1,229.37 mi (1,978.48 km) |
| Box Elder to Swansea (Illinois) | 779.24 mi (1,254.07 km) |
| Box Elder to Sweetwater (Florida) | 1,793.34 mi (2,886.11 km) |
| Box Elder to Sweetwater (Texas) | 817.26 mi (1,315.26 km) |
| Box Elder to Sycamore (Illinois) | 740.54 mi (1,191.78 km) |
| Box Elder to Sylacauga (Alabama) | 1,176.90 mi (1,894.04 km) |
| Box Elder to Sylvania (Ohio) | 991.89 mi (1,596.30 km) |
| Box Elder to Syosset (New York) | 1,516.43 mi (2,440.46 km) |
| Box Elder to Syracuse (New York) | 1,344.39 mi (2,163.59 km) |
| Box Elder to Syracuse (Utah) | 502.31 mi (808.39 km) |
