| Ostend to Smyrna (Delaware) | 3,719.58 mi (5,986.08 km) |
| Ostend to Smyrna (Georgia) | 4,336.49 mi (6,978.90 km) |
| Ostend to Smyrna (Tennessee) | 4,313.61 mi (6,942.08 km) |
| Ostend to Snellville (Georgia) | 4,316.10 mi (6,946.09 km) |
| Ostend to Snoqualmie (Washington) | 4,870.37 mi (7,838.10 km) |
| Ostend to Snyder (Texas) | 5,031.40 mi (8,097.25 km) |
| Ostend to Socastee (South Carolina) | 4,119.99 mi (6,630.48 km) |
| Ostend to Socorro (Texas) | 5,284.24 mi (8,504.16 km) |
| Ostend to Soddy-Daisy (Tennessee) | 4,294.65 mi (6,911.56 km) |
| Ostend to Solana Beach (California) | 5,580.19 mi (8,980.45 km) |
| Ostend to Soledad (California) | 5,503.95 mi (8,857.76 km) |
| Ostend to Solon (Ohio) | 3,857.65 mi (6,208.28 km) |
| Ostend to Somers Point (New Jersey) | 3,677.74 mi (5,918.75 km) |
| Ostend to Somerset (Kentucky) | 4,183.79 mi (6,733.17 km) |
| Ostend to Somerset (New Jersey) | 3,620.66 mi (5,826.88 km) |
