| Wittenbach to Smolyan | 855.08 mi (1,376.12 km) |
| Wittenbach to Sofia | 754.61 mi (1,214.42 km) |
| Wittenbach to Sopot | 818.84 mi (1,317.80 km) |
| Wittenbach to Sozopol | 958.66 mi (1,542.82 km) |
| Wittenbach to Sredets | 938.27 mi (1,510.00 km) |
| Wittenbach to Stamboliyski | 827.39 mi (1,331.55 km) |
| Wittenbach to Stara Zagora | 866.14 mi (1,393.91 km) |
| Wittenbach to Svilengrad | 913.69 mi (1,470.44 km) |
| Wittenbach to Svishtov | 815.57 mi (1,312.53 km) |
| Wittenbach to Targovishte | 882.36 mi (1,420.03 km) |
| Wittenbach to Teteven | 788.48 mi (1,268.93 km) |
| Wittenbach to Troyan | 809.60 mi (1,302.93 km) |
| Wittenbach to Tryavna | 845.16 mi (1,360.16 km) |
| Wittenbach to Tutrakan | 861.76 mi (1,386.88 km) |
| Wittenbach to Varna | 944.23 mi (1,519.59 km) |
