| Backnang to Skarzysko-Kamienna | 530.75 mi (854.16 km) |
| Backnang to Skawina | 472.19 mi (759.92 km) |
| Backnang to Skierniewice | 515.01 mi (828.82 km) |
| Backnang to Skoczow | 424.82 mi (683.68 km) |
| Backnang to Skwierzyna | 365.90 mi (588.86 km) |
| Backnang to Slawno | 485.56 mi (781.43 km) |
| Backnang to Slubice | 325.32 mi (523.55 km) |
| Backnang to Slupca | 435.97 mi (701.63 km) |
| Backnang to Slupsk | 500.71 mi (805.81 km) |
| Backnang to Sochaczew | 524.77 mi (844.54 km) |
| Backnang to Sokolka | 681.15 mi (1,096.20 km) |
| Backnang to Sokolow Podlaski | 608.87 mi (979.88 km) |
| Backnang to Solec Kujawski | 477.05 mi (767.74 km) |
| Backnang to Sopot | 544.78 mi (876.75 km) |
| Backnang to Sosnowiec | 443.73 mi (714.12 km) |
