| Wardenburg to Smolyan | 1,102.33 mi (1,774.03 km) |
| Wardenburg to Sofia | 998.24 mi (1,606.51 km) |
| Wardenburg to Sopot | 1,047.21 mi (1,685.32 km) |
| Wardenburg to Sozopol | 1,160.56 mi (1,867.75 km) |
| Wardenburg to Sredets | 1,146.30 mi (1,844.79 km) |
| Wardenburg to Stamboliyski | 1,067.37 mi (1,717.76 km) |
| Wardenburg to Stara Zagora | 1,088.67 mi (1,752.05 km) |
| Wardenburg to Svilengrad | 1,141.90 mi (1,837.72 km) |
| Wardenburg to Svishtov | 1,018.42 mi (1,638.99 km) |
| Wardenburg to Targovishte | 1,079.84 mi (1,737.84 km) |
| Wardenburg to Teteven | 1,017.23 mi (1,637.08 km) |
| Wardenburg to Troyan | 1,033.96 mi (1,664.00 km) |
| Wardenburg to Tryavna | 1,061.31 mi (1,708.02 km) |
| Wardenburg to Tutrakan | 1,042.48 mi (1,677.71 km) |
| Wardenburg to Varna | 1,129.27 mi (1,817.38 km) |
