| Duluth to Sierpc | 4,469.55 mi (7,193.05 km) |
| Duluth to Skarzysko-Kamienna | 4,594.25 mi (7,393.72 km) |
| Duluth to Skawina | 4,618.23 mi (7,432.33 km) |
| Duluth to Skierniewice | 4,529.04 mi (7,288.79 km) |
| Duluth to Skoczow | 4,595.03 mi (7,394.99 km) |
| Duluth to Skwierzyna | 4,358.06 mi (7,013.62 km) |
| Duluth to Slawno | 4,310.62 mi (6,937.27 km) |
| Duluth to Slubice | 4,340.92 mi (6,986.04 km) |
| Duluth to Slupca | 4,444.43 mi (7,152.63 km) |
| Duluth to Slupsk | 4,315.95 mi (6,945.85 km) |
| Duluth to Sochaczew | 4,518.28 mi (7,271.48 km) |
| Duluth to Sokolka | 4,553.34 mi (7,327.90 km) |
| Duluth to Sokolow Podlaski | 4,568.66 mi (7,352.55 km) |
| Duluth to Solec Kujawski | 4,417.53 mi (7,109.33 km) |
| Duluth to Sopot | 4,361.40 mi (7,019.00 km) |
