| Champaign to Sierpc | 4,711.05 mi (7,581.70 km) |
| Champaign to Skarzysko-Kamienna | 4,829.25 mi (7,771.93 km) |
| Champaign to Skawina | 4,842.43 mi (7,793.14 km) |
| Champaign to Skierniewice | 4,766.53 mi (7,670.99 km) |
| Champaign to Skoczow | 4,814.27 mi (7,747.82 km) |
| Champaign to Skwierzyna | 4,583.86 mi (7,377.00 km) |
| Champaign to Slawno | 4,551.80 mi (7,325.42 km) |
| Champaign to Slubice | 4,561.95 mi (7,341.75 km) |
| Champaign to Slupca | 4,676.20 mi (7,525.62 km) |
| Champaign to Slupsk | 4,558.95 mi (7,336.91 km) |
| Champaign to Sochaczew | 4,757.70 mi (7,656.77 km) |
| Champaign to Sokolka | 4,810.77 mi (7,742.19 km) |
| Champaign to Sokolow Podlaski | 4,816.00 mi (7,750.60 km) |
| Champaign to Solec Kujawski | 4,655.51 mi (7,492.32 km) |
| Champaign to Sopot | 4,609.14 mi (7,417.69 km) |
