| Lowell to Sierpc | 3,995.41 mi (6,430.00 km) |
| Lowell to Skarzysko-Kamienna | 4,103.18 mi (6,603.43 km) |
| Lowell to Skawina | 4,103.24 mi (6,603.52 km) |
| Lowell to Skierniewice | 4,044.75 mi (6,509.40 km) |
| Lowell to Skoczow | 4,069.89 mi (6,549.85 km) |
| Lowell to Skwierzyna | 3,851.55 mi (6,198.46 km) |
| Lowell to Slawno | 3,839.16 mi (6,178.53 km) |
| Lowell to Slubice | 3,824.44 mi (6,154.85 km) |
| Lowell to Slupca | 3,949.22 mi (6,355.65 km) |
| Lowell to Slupsk | 3,848.47 mi (6,193.52 km) |
| Lowell to Sochaczew | 4,038.48 mi (6,499.31 km) |
| Lowell to Sokolka | 4,113.79 mi (6,620.51 km) |
| Lowell to Sokolow Podlaski | 4,105.64 mi (6,607.39 km) |
| Lowell to Solec Kujawski | 3,936.61 mi (6,335.37 km) |
| Lowell to Sopot | 3,903.70 mi (6,282.40 km) |
