| Gladstone to Superior (Colorado) | 566.36 mi (911.47 km) |
| Gladstone to Superior (Wisconsin) | 531.75 mi (855.77 km) |
| Gladstone to Surprise (Arizona) | 1,063.06 mi (1,710.84 km) |
| Gladstone to Susanville (California) | 1,380.19 mi (2,221.21 km) |
| Gladstone to Sussex (Wisconsin) | 426.40 mi (686.23 km) |
| Gladstone to Suwanee (Georgia) | 681.63 mi (1,096.98 km) |
| Gladstone to Swansea (Illinois) | 250.18 mi (402.62 km) |
| Gladstone to Sweetwater (Florida) | 1,239.70 mi (1,995.10 km) |
| Gladstone to Sweetwater (Texas) | 569.34 mi (916.26 km) |
| Gladstone to Sycamore (Illinois) | 363.19 mi (584.50 km) |
| Gladstone to Sylacauga (Alabama) | 622.38 mi (1,001.63 km) |
| Gladstone to Sylvania (Ohio) | 595.41 mi (958.21 km) |
| Gladstone to Syosset (New York) | 1,117.06 mi (1,797.74 km) |
| Gladstone to Syracuse (New York) | 991.95 mi (1,596.38 km) |
| Gladstone to Syracuse (Utah) | 932.17 mi (1,500.17 km) |
