| Herk-de-Stad to Smyrna (Delaware) | 3,817.77 mi (6,144.10 km) |
| Herk-de-Stad to Smyrna (Georgia) | 4,434.35 mi (7,136.40 km) |
| Herk-de-Stad to Smyrna (Tennessee) | 4,410.40 mi (7,097.86 km) |
| Herk-de-Stad to Snellville (Georgia) | 4,414.07 mi (7,103.77 km) |
| Herk-de-Stad to Snoqualmie (Washington) | 4,942.88 mi (7,954.80 km) |
| Herk-de-Stad to Snyder (Texas) | 5,124.56 mi (8,247.18 km) |
| Herk-de-Stad to Socastee (South Carolina) | 4,218.84 mi (6,789.57 km) |
| Herk-de-Stad to Socorro (Texas) | 5,375.44 mi (8,650.94 km) |
| Herk-de-Stad to Soddy-Daisy (Tennessee) | 4,391.99 mi (7,068.23 km) |
| Herk-de-Stad to Solana Beach (California) | 5,664.48 mi (9,116.10 km) |
| Herk-de-Stad to Soledad (California) | 5,583.59 mi (8,985.91 km) |
| Herk-de-Stad to Solon (Ohio) | 3,953.85 mi (6,363.10 km) |
| Herk-de-Stad to Somers Point (New Jersey) | 3,776.10 mi (6,077.04 km) |
| Herk-de-Stad to Somerset (Kentucky) | 4,280.72 mi (6,889.16 km) |
| Herk-de-Stad to Somerset (New Jersey) | 3,718.71 mi (5,984.69 km) |
