| London Colney to Sierpc | 844.58 mi (1,359.22 km) |
| London Colney to Skarzysko-Kamienna | 911.88 mi (1,467.53 km) |
| London Colney to Skawina | 883.50 mi (1,421.86 km) |
| London Colney to Skierniewice | 870.17 mi (1,400.40 km) |
| London Colney to Skoczow | 842.25 mi (1,355.48 km) |
| London Colney to Skwierzyna | 671.01 mi (1,079.89 km) |
| London Colney to Slawno | 726.26 mi (1,168.79 km) |
| London Colney to Slubice | 632.21 mi (1,017.45 km) |
| London Colney to Slupca | 771.54 mi (1,241.67 km) |
| London Colney to Slupsk | 741.36 mi (1,193.10 km) |
| London Colney to Sochaczew | 871.62 mi (1,402.74 km) |
| London Colney to Sokolka | 1,001.55 mi (1,611.85 km) |
| London Colney to Sokolow Podlaski | 955.12 mi (1,537.12 km) |
| London Colney to Solec Kujawski | 784.59 mi (1,262.68 km) |
| London Colney to Sopot | 802.55 mi (1,291.58 km) |
