| Thornton to Solofra | 1,182.91 mi (1,903.72 km) |
| Thornton to Somma Lombardo | 730.34 mi (1,175.37 km) |
| Thornton to Somma Vesuviana | 1,168.32 mi (1,880.23 km) |
| Thornton to Sommacampagna | 809.82 mi (1,303.28 km) |
| Thornton to Sona | 807.54 mi (1,299.60 km) |
| Thornton to Sondrio | 738.73 mi (1,188.87 km) |
| Thornton to Sora | 1,096.12 mi (1,764.04 km) |
| Thornton to Sorbolo | 827.56 mi (1,331.83 km) |
| Thornton to Soresina | 785.87 mi (1,264.73 km) |
| Thornton to Sorisole | 755.31 mi (1,215.56 km) |
| Thornton to Sorrento | 1,180.39 mi (1,899.65 km) |
| Thornton to Sorso | 1,019.57 mi (1,640.84 km) |
| Thornton to Sortino | 1,402.29 mi (2,256.76 km) |
| Thornton to Soverato Marina | 1,356.48 mi (2,183.05 km) |
| Thornton to Sovicille | 937.83 mi (1,509.29 km) |
