| Ostfildern to Smolyan | 897.76 mi (1,444.81 km) |
| Ostfildern to Sofia | 795.09 mi (1,279.58 km) |
| Ostfildern to Sopot | 855.78 mi (1,377.24 km) |
| Ostfildern to Sozopol | 989.87 mi (1,593.04 km) |
| Ostfildern to Sredets | 970.92 mi (1,562.55 km) |
| Ostfildern to Stamboliyski | 867.71 mi (1,396.44 km) |
| Ostfildern to Stara Zagora | 901.99 mi (1,451.61 km) |
| Ostfildern to Svilengrad | 951.62 mi (1,531.48 km) |
| Ostfildern to Svishtov | 845.35 mi (1,360.46 km) |
| Ostfildern to Targovishte | 911.53 mi (1,466.97 km) |
| Ostfildern to Teteven | 825.14 mi (1,327.93 km) |
| Ostfildern to Troyan | 845.29 mi (1,360.37 km) |
| Ostfildern to Tryavna | 879.00 mi (1,414.62 km) |
| Ostfildern to Tutrakan | 886.15 mi (1,426.12 km) |
| Ostfildern to Varna | 970.77 mi (1,562.31 km) |
