| Gunzenhausen to Smolyan | 851.77 mi (1,370.79 km) |
| Gunzenhausen to Sofia | 748.08 mi (1,203.91 km) |
| Gunzenhausen to Sopot | 805.91 mi (1,296.99 km) |
| Gunzenhausen to Sozopol | 935.75 mi (1,505.94 km) |
| Gunzenhausen to Sredets | 917.76 mi (1,476.99 km) |
| Gunzenhausen to Stamboliyski | 820.15 mi (1,319.90 km) |
| Gunzenhausen to Stara Zagora | 851.18 mi (1,369.84 km) |
| Gunzenhausen to Svilengrad | 901.99 mi (1,451.61 km) |
| Gunzenhausen to Svishtov | 790.95 mi (1,272.92 km) |
| Gunzenhausen to Targovishte | 856.48 mi (1,378.37 km) |
| Gunzenhausen to Teteven | 775.26 mi (1,247.66 km) |
| Gunzenhausen to Troyan | 794.65 mi (1,278.86 km) |
| Gunzenhausen to Tryavna | 826.98 mi (1,330.89 km) |
| Gunzenhausen to Tutrakan | 828.48 mi (1,333.31 km) |
| Gunzenhausen to Varna | 913.99 mi (1,470.93 km) |
