| Swindon to Sierpc | 908.94 mi (1,462.80 km) |
| Swindon to Skarzysko-Kamienna | 976.22 mi (1,571.08 km) |
| Swindon to Skawina | 947.15 mi (1,524.29 km) |
| Swindon to Skierniewice | 934.65 mi (1,504.17 km) |
| Swindon to Skoczow | 905.59 mi (1,457.41 km) |
| Swindon to Skwierzyna | 735.47 mi (1,183.62 km) |
| Swindon to Slawno | 789.55 mi (1,270.66 km) |
| Swindon to Slubice | 696.70 mi (1,121.23 km) |
| Swindon to Slupca | 836.02 mi (1,345.44 km) |
| Swindon to Slupsk | 804.56 mi (1,294.81 km) |
| Swindon to Sochaczew | 936.10 mi (1,506.50 km) |
| Swindon to Sokolka | 1,065.67 mi (1,715.03 km) |
| Swindon to Sokolow Podlaski | 1,019.57 mi (1,640.84 km) |
| Swindon to Solec Kujawski | 848.90 mi (1,366.17 km) |
| Swindon to Sopot | 865.88 mi (1,393.49 km) |
