| Rockford to Sierpc | 4,620.20 mi (7,435.50 km) |
| Rockford to Skarzysko-Kamienna | 4,740.42 mi (7,628.96 km) |
| Rockford to Skawina | 4,756.69 mi (7,655.15 km) |
| Rockford to Skierniewice | 4,676.90 mi (7,526.75 km) |
| Rockford to Skoczow | 4,729.90 mi (7,612.04 km) |
| Rockford to Skwierzyna | 4,497.26 mi (7,237.64 km) |
| Rockford to Slawno | 4,460.81 mi (7,178.97 km) |
| Rockford to Slubice | 4,476.67 mi (7,204.51 km) |
| Rockford to Slupca | 4,588.06 mi (7,383.77 km) |
| Rockford to Slupsk | 4,467.45 mi (7,189.67 km) |
| Rockford to Sochaczew | 4,667.51 mi (7,511.63 km) |
| Rockford to Sokolka | 4,715.58 mi (7,589.00 km) |
| Rockford to Sokolow Podlaski | 4,723.66 mi (7,601.99 km) |
| Rockford to Solec Kujawski | 4,565.58 mi (7,347.59 km) |
| Rockford to Sopot | 4,516.39 mi (7,268.42 km) |
