| Champaign to Solofra | 5,054.00 mi (8,133.62 km) |
| Champaign to Somma Lombardo | 4,606.00 mi (7,412.65 km) |
| Champaign to Somma Vesuviana | 5,035.47 mi (8,103.81 km) |
| Champaign to Sommacampagna | 4,702.55 mi (7,568.03 km) |
| Champaign to Sona | 4,700.56 mi (7,564.82 km) |
| Champaign to Sondrio | 4,633.34 mi (7,456.64 km) |
| Champaign to Sora | 4,965.88 mi (7,991.82 km) |
| Champaign to Sorbolo | 4,708.83 mi (7,578.13 km) |
| Champaign to Soresina | 4,667.70 mi (7,511.94 km) |
| Champaign to Sorisole | 4,641.92 mi (7,470.44 km) |
| Champaign to Sorrento | 5,043.46 mi (8,116.66 km) |
| Champaign to Sorso | 4,794.68 mi (7,716.30 km) |
| Champaign to Sortino | 5,222.26 mi (8,404.41 km) |
| Champaign to Soverato Marina | 5,218.22 mi (8,397.91 km) |
| Champaign to Sovicille | 4,803.74 mi (7,730.87 km) |
