| Houthulst to Smyrna (Delaware) | 3,726.73 mi (5,997.60 km) |
| Houthulst to Smyrna (Georgia) | 4,343.92 mi (6,990.87 km) |
| Houthulst to Smyrna (Tennessee) | 4,321.84 mi (6,955.33 km) |
| Houthulst to Snellville (Georgia) | 4,323.44 mi (6,957.91 km) |
| Houthulst to Snoqualmie (Washington) | 4,885.00 mi (7,861.64 km) |
| Houthulst to Snyder (Texas) | 5,041.43 mi (8,113.39 km) |
| Houthulst to Socastee (South Carolina) | 4,126.38 mi (6,640.77 km) |
| Houthulst to Socorro (Texas) | 5,294.98 mi (8,521.44 km) |
| Houthulst to Soddy-Daisy (Tennessee) | 4,302.50 mi (6,924.20 km) |
| Houthulst to Solana Beach (California) | 5,592.79 mi (9,000.73 km) |
| Houthulst to Soledad (California) | 5,517.48 mi (8,879.52 km) |
| Houthulst to Solon (Ohio) | 3,866.26 mi (6,222.14 km) |
| Houthulst to Somers Point (New Jersey) | 3,684.73 mi (5,930.01 km) |
| Houthulst to Somerset (Kentucky) | 4,191.94 mi (6,746.28 km) |
| Houthulst to Somerset (New Jersey) | 3,627.95 mi (5,838.61 km) |
