| West Haven to Sierpc | 4,121.89 mi (6,633.55 km) |
| West Haven to Skarzysko-Kamienna | 4,229.48 mi (6,806.68 km) |
| West Haven to Skawina | 4,229.23 mi (6,806.30 km) |
| West Haven to Skierniewice | 4,171.14 mi (6,712.80 km) |
| West Haven to Skoczow | 4,195.75 mi (6,752.41 km) |
| West Haven to Skwierzyna | 3,977.77 mi (6,401.61 km) |
| West Haven to Slawno | 3,965.70 mi (6,382.18 km) |
| West Haven to Slubice | 3,950.56 mi (6,357.81 km) |
| West Haven to Slupca | 4,075.53 mi (6,558.93 km) |
| West Haven to Slupsk | 3,975.03 mi (6,397.20 km) |
| West Haven to Sochaczew | 4,164.91 mi (6,702.77 km) |
| West Haven to Sokolka | 4,240.42 mi (6,824.30 km) |
| West Haven to Sokolow Podlaski | 4,232.17 mi (6,811.02 km) |
| West Haven to Solec Kujawski | 4,063.06 mi (6,538.86 km) |
| West Haven to Sopot | 4,030.30 mi (6,486.14 km) |
