| Biga to Sierpc | 944.30 mi (1,519.71 km) |
| Biga to Skarzysko-Kamienna | 811.20 mi (1,305.50 km) |
| Biga to Skawina | 763.86 mi (1,229.31 km) |
| Biga to Skierniewice | 878.34 mi (1,413.56 km) |
| Biga to Skoczow | 778.59 mi (1,253.02 km) |
| Biga to Skwierzyna | 1,018.70 mi (1,639.44 km) |
| Biga to Slawno | 1,091.96 mi (1,757.34 km) |
| Biga to Slubice | 1,030.09 mi (1,657.77 km) |
| Biga to Slupca | 944.90 mi (1,520.68 km) |
| Biga to Slupsk | 1,091.16 mi (1,756.06 km) |
| Biga to Sochaczew | 893.55 mi (1,438.03 km) |
| Biga to Sokolka | 926.80 mi (1,491.54 km) |
| Biga to Sokolow Podlaski | 873.56 mi (1,405.85 km) |
| Biga to Solec Kujawski | 983.82 mi (1,583.30 km) |
| Biga to Sopot | 1,061.39 mi (1,708.14 km) |
