| Runcorn to Sierpc | 925.73 mi (1,489.82 km) |
| Runcorn to Skarzysko-Kamienna | 1,007.83 mi (1,621.95 km) |
| Runcorn to Skawina | 990.08 mi (1,593.38 km) |
| Runcorn to Skierniewice | 959.66 mi (1,544.42 km) |
| Runcorn to Skoczow | 952.02 mi (1,532.14 km) |
| Runcorn to Skwierzyna | 758.34 mi (1,220.44 km) |
| Runcorn to Slawno | 791.64 mi (1,274.02 km) |
| Runcorn to Slubice | 723.39 mi (1,164.18 km) |
| Runcorn to Slupca | 860.13 mi (1,384.24 km) |
| Runcorn to Slupsk | 805.51 mi (1,296.35 km) |
| Runcorn to Sochaczew | 958.57 mi (1,542.66 km) |
| Runcorn to Sokolka | 1,075.32 mi (1,730.57 km) |
| Runcorn to Sokolow Podlaski | 1,038.65 mi (1,671.54 km) |
| Runcorn to Solec Kujawski | 864.60 mi (1,391.44 km) |
| Runcorn to Sopot | 867.23 mi (1,395.68 km) |
