| Ilhavo to Sierpc | 1,571.69 mi (2,529.39 km) |
| Ilhavo to Skarzysko-Kamienna | 1,583.43 mi (2,548.28 km) |
| Ilhavo to Skawina | 1,517.18 mi (2,441.66 km) |
| Ilhavo to Skierniewice | 1,569.26 mi (2,525.48 km) |
| Ilhavo to Skoczow | 1,468.98 mi (2,364.10 km) |
| Ilhavo to Skwierzyna | 1,404.40 mi (2,260.17 km) |
| Ilhavo to Slawno | 1,503.60 mi (2,419.82 km) |
| Ilhavo to Slubice | 1,361.56 mi (2,191.22 km) |
| Ilhavo to Slupca | 1,486.58 mi (2,392.41 km) |
| Ilhavo to Slupsk | 1,519.66 mi (2,445.66 km) |
| Ilhavo to Sochaczew | 1,578.55 mi (2,540.43 km) |
| Ilhavo to Sokolka | 1,733.37 mi (2,789.60 km) |
| Ilhavo to Sokolow Podlaski | 1,663.11 mi (2,676.52 km) |
| Ilhavo to Solec Kujawski | 1,521.86 mi (2,449.20 km) |
| Ilhavo to Sopot | 1,574.02 mi (2,533.14 km) |
