| Hiddenhausen to Smolyan | 1,049.99 mi (1,689.80 km) |
| Hiddenhausen to Sofia | 945.73 mi (1,522.00 km) |
| Hiddenhausen to Sopot | 996.73 mi (1,604.08 km) |
| Hiddenhausen to Sozopol | 1,113.95 mi (1,792.73 km) |
| Hiddenhausen to Sredets | 1,098.84 mi (1,768.41 km) |
| Hiddenhausen to Stamboliyski | 1,015.67 mi (1,634.57 km) |
| Hiddenhausen to Stara Zagora | 1,039.13 mi (1,672.32 km) |
| Hiddenhausen to Svilengrad | 1,091.98 mi (1,757.37 km) |
| Hiddenhausen to Svishtov | 970.78 mi (1,562.32 km) |
| Hiddenhausen to Targovishte | 1,033.28 mi (1,662.91 km) |
| Hiddenhausen to Teteven | 966.52 mi (1,555.47 km) |
| Hiddenhausen to Troyan | 983.87 mi (1,583.38 km) |
| Hiddenhausen to Tryavna | 1,012.36 mi (1,629.24 km) |
| Hiddenhausen to Tutrakan | 997.76 mi (1,605.74 km) |
| Hiddenhausen to Varna | 1,084.59 mi (1,745.49 km) |
