| Alpena to Sierpc | 4,290.63 mi (6,905.10 km) |
| Alpena to Skarzysko-Kamienna | 4,409.42 mi (7,096.27 km) |
| Alpena to Skawina | 4,423.68 mi (7,119.23 km) |
| Alpena to Skierniewice | 4,346.45 mi (6,994.94 km) |
| Alpena to Skoczow | 4,396.07 mi (7,074.80 km) |
| Alpena to Skwierzyna | 4,164.75 mi (6,702.52 km) |
| Alpena to Slawno | 4,131.33 mi (6,648.73 km) |
| Alpena to Slubice | 4,143.34 mi (6,668.07 km) |
| Alpena to Slupca | 4,256.57 mi (6,850.29 km) |
| Alpena to Slupsk | 4,138.35 mi (6,660.03 km) |
| Alpena to Sochaczew | 4,337.46 mi (6,980.46 km) |
| Alpena to Sokolka | 4,389.50 mi (7,064.22 km) |
| Alpena to Sokolow Podlaski | 4,395.24 mi (7,073.45 km) |
| Alpena to Solec Kujawski | 4,235.33 mi (6,816.11 km) |
| Alpena to Sopot | 4,188.27 mi (6,740.37 km) |
