| Seymour to Sierpc | 4,695.02 mi (7,555.91 km) |
| Seymour to Skarzysko-Kamienna | 4,810.65 mi (7,741.99 km) |
| Seymour to Skawina | 4,820.19 mi (7,757.34 km) |
| Seymour to Skierniewice | 4,748.97 mi (7,642.73 km) |
| Seymour to Skoczow | 4,790.48 mi (7,709.54 km) |
| Seymour to Skwierzyna | 4,563.00 mi (7,343.44 km) |
| Seymour to Slawno | 4,536.20 mi (7,300.31 km) |
| Seymour to Slubice | 4,539.59 mi (7,305.77 km) |
| Seymour to Slupca | 4,657.02 mi (7,494.75 km) |
| Seymour to Slupsk | 4,543.94 mi (7,312.76 km) |
| Seymour to Sochaczew | 4,740.81 mi (7,629.60 km) |
| Seymour to Sokolka | 4,799.88 mi (7,724.67 km) |
| Seymour to Sokolow Podlaski | 4,801.62 mi (7,727.46 km) |
| Seymour to Solec Kujawski | 4,638.48 mi (7,464.91 km) |
| Seymour to Sopot | 4,595.57 mi (7,395.86 km) |
