| Herk-de-Stad to Storm Lake (Iowa) | 4,403.15 mi (7,086.19 km) |
| Herk-de-Stad to Storrs (Connecticut) | 3,571.26 mi (5,747.38 km) |
| Herk-de-Stad to Stoughton (Wisconsin) | 4,175.28 mi (6,719.46 km) |
| Herk-de-Stad to Stow (Ohio) | 3,963.27 mi (6,378.26 km) |
| Herk-de-Stad to Streamwood (Illinois) | 4,179.93 mi (6,726.95 km) |
| Herk-de-Stad to Streator (Illinois) | 4,247.19 mi (6,835.20 km) |
| Herk-de-Stad to Streetsboro (Ohio) | 3,956.92 mi (6,368.05 km) |
| Herk-de-Stad to Strongsville (Ohio) | 3,972.39 mi (6,392.95 km) |
| Herk-de-Stad to Stuart (Florida) | 4,590.51 mi (7,387.72 km) |
| Herk-de-Stad to Stuarts Draft (Virginia) | 4,014.49 mi (6,460.70 km) |
| Herk-de-Stad to Sturgis (Michigan) | 4,087.07 mi (6,577.51 km) |
| Herk-de-Stad to Suamico (Wisconsin) | 4,052.38 mi (6,521.68 km) |
| Herk-de-Stad to Sudley (Virginia) | 3,917.00 mi (6,303.81 km) |
| Herk-de-Stad to Suffern (New York) | 3,677.59 mi (5,918.50 km) |
| Herk-de-Stad to Suffolk (Virginia) | 3,978.95 mi (6,403.50 km) |
