| Herk-de-Stad to Superior (Colorado) | 4,884.54 mi (7,860.90 km) |
| Herk-de-Stad to Superior (Wisconsin) | 4,097.36 mi (6,594.06 km) |
| Herk-de-Stad to Surprise (Arizona) | 5,471.53 mi (8,805.58 km) |
| Herk-de-Stad to Susanville (California) | 5,328.14 mi (8,574.82 km) |
| Herk-de-Stad to Sussex (Wisconsin) | 4,128.62 mi (6,644.37 km) |
| Herk-de-Stad to Suwanee (Georgia) | 4,407.11 mi (7,092.55 km) |
| Herk-de-Stad to Swansea (Illinois) | 4,416.31 mi (7,107.37 km) |
| Herk-de-Stad to Sweetwater (Florida) | 4,667.65 mi (7,511.86 km) |
| Herk-de-Stad to Sweetwater (Texas) | 5,119.22 mi (8,238.59 km) |
| Herk-de-Stad to Sycamore (Illinois) | 4,199.81 mi (6,758.95 km) |
| Herk-de-Stad to Sylacauga (Alabama) | 4,538.24 mi (7,303.59 km) |
| Herk-de-Stad to Sylvania (Ohio) | 4,026.28 mi (6,479.66 km) |
| Herk-de-Stad to Syosset (New York) | 3,664.83 mi (5,897.97 km) |
| Herk-de-Stad to Syracuse (New York) | 3,673.18 mi (5,911.42 km) |
| Herk-de-Stad to Syracuse (Utah) | 5,041.48 mi (8,113.47 km) |
