| Smithville to Solofra | 5,338.29 mi (8,591.15 km) |
| Smithville to Somma Lombardo | 4,886.68 mi (7,864.35 km) |
| Smithville to Somma Vesuviana | 5,320.34 mi (8,562.25 km) |
| Smithville to Sommacampagna | 4,980.86 mi (8,015.93 km) |
| Smithville to Sona | 4,978.80 mi (8,012.60 km) |
| Smithville to Sondrio | 4,910.90 mi (7,903.32 km) |
| Smithville to Sora | 5,249.90 mi (8,448.90 km) |
| Smithville to Sorbolo | 4,989.31 mi (8,029.52 km) |
| Smithville to Soresina | 4,947.82 mi (7,962.75 km) |
| Smithville to Sorisole | 4,921.04 mi (7,919.65 km) |
| Smithville to Sorrento | 5,329.04 mi (8,576.26 km) |
| Smithville to Sorso | 5,088.56 mi (8,189.24 km) |
| Smithville to Sortino | 5,515.08 mi (8,875.66 km) |
| Smithville to Soverato Marina | 5,505.02 mi (8,859.48 km) |
| Smithville to Sovicille | 5,087.33 mi (8,187.27 km) |
