| Johnston to Superior (Colorado) | 609.70 mi (981.22 km) |
| Johnston to Superior (Wisconsin) | 355.09 mi (571.46 km) |
| Johnston to Surprise (Arizona) | 1,160.43 mi (1,867.53 km) |
| Johnston to Susanville (California) | 1,398.05 mi (2,249.94 km) |
| Johnston to Sussex (Wisconsin) | 297.74 mi (479.16 km) |
| Johnston to Suwanee (Georgia) | 744.69 mi (1,198.46 km) |
| Johnston to Swansea (Illinois) | 293.32 mi (472.06 km) |
| Johnston to Sweetwater (Florida) | 1,336.89 mi (2,151.51 km) |
| Johnston to Sweetwater (Texas) | 735.49 mi (1,183.66 km) |
| Johnston to Sycamore (Illinois) | 260.30 mi (418.92 km) |
| Johnston to Sylacauga (Alabama) | 716.01 mi (1,152.31 km) |
| Johnston to Sylvania (Ohio) | 516.32 mi (830.93 km) |
| Johnston to Syosset (New York) | 1,049.71 mi (1,689.35 km) |
| Johnston to Syracuse (New York) | 900.61 mi (1,449.39 km) |
| Johnston to Syracuse (Utah) | 950.14 mi (1,529.10 km) |
