| Idil to Sierpc | 1,513.72 mi (2,436.09 km) |
| Idil to Skarzysko-Kamienna | 1,399.52 mi (2,252.31 km) |
| Idil to Skawina | 1,397.58 mi (2,249.19 km) |
| Idil to Skierniewice | 1,460.18 mi (2,349.93 km) |
| Idil to Skoczow | 1,432.02 mi (2,304.62 km) |
| Idil to Skwierzyna | 1,649.81 mi (2,655.12 km) |
| Idil to Slawno | 1,672.65 mi (2,691.86 km) |
| Idil to Slubice | 1,676.23 mi (2,697.64 km) |
| Idil to Slupca | 1,553.53 mi (2,500.16 km) |
| Idil to Slupsk | 1,665.16 mi (2,679.81 km) |
| Idil to Sochaczew | 1,468.02 mi (2,362.55 km) |
| Idil to Sokolka | 1,415.43 mi (2,277.91 km) |
| Idil to Sokolow Podlaski | 1,407.86 mi (2,265.74 km) |
| Idil to Solec Kujawski | 1,570.36 mi (2,527.25 km) |
| Idil to Sopot | 1,614.72 mi (2,598.64 km) |
