| Houthulst to Somersworth (New Hampshire) | 3,364.77 mi (5,415.08 km) |
| Houthulst to Somerton (Arizona) | 5,532.35 mi (8,903.45 km) |
| Houthulst to Somerville (Massachusetts) | 3,409.18 mi (5,486.54 km) |
| Houthulst to Somerville (New Jersey) | 3,629.67 mi (5,841.39 km) |
| Houthulst to Sonoma (California) | 5,441.19 mi (8,756.74 km) |
| Houthulst to Soquel (California) | 5,502.57 mi (8,855.54 km) |
| Houthulst to South Bend (Indiana) | 4,039.69 mi (6,501.26 km) |
| Houthulst to South Bradenton (Florida) | 4,581.60 mi (7,373.37 km) |
| Houthulst to South Burlington (Vermont) | 3,408.97 mi (5,486.21 km) |
| Houthulst to South Charleston (West Virginia) | 4,016.97 mi (6,464.70 km) |
| Houthulst to South Daytona (Florida) | 4,430.19 mi (7,129.71 km) |
| Houthulst to South El Monte (California) | 5,556.89 mi (8,942.95 km) |
| Houthulst to South Elgin (Illinois) | 4,102.34 mi (6,602.07 km) |
| Houthulst to South Euclid (Ohio) | 3,863.35 mi (6,217.47 km) |
| Houthulst to South Farmingdale (New York) | 3,575.91 mi (5,754.87 km) |
