| Fitchburg to Sierpc | 4,015.60 mi (6,462.48 km) |
| Fitchburg to Skarzysko-Kamienna | 4,123.71 mi (6,636.48 km) |
| Fitchburg to Skawina | 4,124.16 mi (6,637.20 km) |
| Fitchburg to Skierniewice | 4,065.14 mi (6,542.21 km) |
| Fitchburg to Skoczow | 4,090.96 mi (6,583.76 km) |
| Fitchburg to Skwierzyna | 3,872.19 mi (6,231.68 km) |
| Fitchburg to Slawno | 3,859.20 mi (6,210.79 km) |
| Fitchburg to Slubice | 3,845.23 mi (6,188.30 km) |
| Fitchburg to Slupca | 3,969.73 mi (6,388.66 km) |
| Fitchburg to Slupsk | 3,868.45 mi (6,225.67 km) |
| Fitchburg to Sochaczew | 4,058.79 mi (6,531.99 km) |
| Fitchburg to Sokolka | 4,133.46 mi (6,652.16 km) |
| Fitchburg to Sokolow Podlaski | 4,125.71 mi (6,639.68 km) |
| Fitchburg to Solec Kujawski | 3,956.88 mi (6,367.98 km) |
| Fitchburg to Sopot | 3,923.55 mi (6,314.34 km) |
