| Wallingford Center to Sierpc | 4,107.82 mi (6,610.90 km) |
| Wallingford Center to Skarzysko-Kamienna | 4,215.48 mi (6,784.16 km) |
| Wallingford Center to Skawina | 4,215.33 mi (6,783.92 km) |
| Wallingford Center to Skierniewice | 4,157.11 mi (6,690.22 km) |
| Wallingford Center to Skoczow | 4,181.88 mi (6,730.09 km) |
| Wallingford Center to Skwierzyna | 3,963.80 mi (6,379.12 km) |
| Wallingford Center to Slawno | 3,951.60 mi (6,359.49 km) |
| Wallingford Center to Slubice | 3,936.62 mi (6,335.37 km) |
| Wallingford Center to Slupca | 4,061.53 mi (6,536.40 km) |
| Wallingford Center to Slupsk | 3,960.92 mi (6,374.49 km) |
| Wallingford Center to Sochaczew | 4,150.86 mi (6,680.17 km) |
| Wallingford Center to Sokolka | 4,226.26 mi (6,801.51 km) |
| Wallingford Center to Sokolow Podlaski | 4,218.08 mi (6,788.34 km) |
| Wallingford Center to Solec Kujawski | 4,049.01 mi (6,516.24 km) |
| Wallingford Center to Sopot | 4,016.17 mi (6,463.40 km) |
