| Ianca to Sierpc | 640.91 mi (1,031.45 km) |
| Ianca to Skarzysko-Kamienna | 511.70 mi (823.51 km) |
| Ianca to Skawina | 488.58 mi (786.29 km) |
| Ianca to Skierniewice | 578.19 mi (930.51 km) |
| Ianca to Skoczow | 517.63 mi (833.04 km) |
| Ianca to Skwierzyna | 748.03 mi (1,203.84 km) |
| Ianca to Slawno | 797.24 mi (1,283.03 km) |
| Ianca to Slubice | 768.99 mi (1,237.56 km) |
| Ianca to Slupca | 659.87 mi (1,061.97 km) |
| Ianca to Slupsk | 793.59 mi (1,277.16 km) |
| Ianca to Sochaczew | 590.67 mi (950.59 km) |
| Ianca to Sokolka | 598.27 mi (962.83 km) |
| Ianca to Sokolow Podlaski | 555.14 mi (893.42 km) |
| Ianca to Solec Kujawski | 688.98 mi (1,108.80 km) |
| Ianca to Sopot | 755.05 mi (1,215.14 km) |
