| Cities | Distance |
|---|---|
| Harrow to Sierpc | 848.83 mi (1,366.05 km) |
| Harrow to Skarzysko-Kamienna | 914.89 mi (1,472.38 km) |
| Harrow to Skawina | 885.57 mi (1,425.18 km) |
| Harrow to Skierniewice | 873.75 mi (1,406.16 km) |
| Harrow to Skoczow | 844.04 mi (1,358.34 km) |
| Harrow to Skwierzyna | 674.97 mi (1,086.25 km) |
| Harrow to Slawno | 731.71 mi (1,177.58 km) |
| Harrow to Slubice | 635.91 mi (1,023.40 km) |
| Harrow to Slupca | 775.28 mi (1,247.69 km) |
| Harrow to Slupsk | 746.88 mi (1,201.98 km) |
| Harrow to Sochaczew | 875.40 mi (1,408.82 km) |
| Harrow to Sokolka | 1,006.22 mi (1,619.36 km) |
| Harrow to Sokolow Podlaski | 959.11 mi (1,543.54 km) |
| Harrow to Solec Kujawski | 788.98 mi (1,269.74 km) |
| Harrow to Sopot | 807.98 mi (1,300.31 km) |