| Waltham Cross to Sierpc | 834.10 mi (1,342.35 km) |
| Waltham Cross to Skarzysko-Kamienna | 900.79 mi (1,449.67 km) |
| Waltham Cross to Skawina | 872.08 mi (1,403.47 km) |
| Waltham Cross to Skierniewice | 859.33 mi (1,382.95 km) |
| Waltham Cross to Skoczow | 830.76 mi (1,336.97 km) |
| Waltham Cross to Skwierzyna | 660.36 mi (1,062.75 km) |
| Waltham Cross to Slawno | 716.61 mi (1,153.28 km) |
| Waltham Cross to Slubice | 621.43 mi (1,000.09 km) |
| Waltham Cross to Slupca | 760.78 mi (1,224.35 km) |
| Waltham Cross to Slupsk | 731.77 mi (1,177.66 km) |
| Waltham Cross to Sochaczew | 860.88 mi (1,385.46 km) |
| Waltham Cross to Sokolka | 991.34 mi (1,595.40 km) |
| Waltham Cross to Sokolow Podlaski | 944.50 mi (1,520.02 km) |
| Waltham Cross to Solec Kujawski | 774.20 mi (1,245.95 km) |
| Waltham Cross to Sopot | 792.88 mi (1,276.02 km) |
