| Longyearbyen to Sierpc | 1,753.19 mi (2,821.49 km) |
| Longyearbyen to Skarzysko-Kamienna | 1,877.16 mi (3,020.99 km) |
| Longyearbyen to Skawina | 1,953.69 mi (3,144.16 km) |
| Longyearbyen to Skierniewice | 1,817.19 mi (2,924.49 km) |
| Longyearbyen to Skoczow | 1,965.02 mi (3,162.40 km) |
| Longyearbyen to Skwierzyna | 1,769.95 mi (2,848.45 km) |
| Longyearbyen to Slawno | 1,648.65 mi (2,653.24 km) |
| Longyearbyen to Slubice | 1,787.41 mi (2,876.56 km) |
| Longyearbyen to Slupca | 1,791.53 mi (2,883.19 km) |
| Longyearbyen to Slupsk | 1,641.37 mi (2,641.54 km) |
| Longyearbyen to Sochaczew | 1,798.92 mi (2,895.08 km) |
| Longyearbyen to Sokolka | 1,725.44 mi (2,776.83 km) |
| Longyearbyen to Sokolow Podlaski | 1,791.29 mi (2,882.80 km) |
| Longyearbyen to Solec Kujawski | 1,737.73 mi (2,796.60 km) |
| Longyearbyen to Sopot | 1,643.65 mi (2,645.19 km) |
