| Gudensberg to Smolyan | 983.37 mi (1,582.58 km) |
| Gudensberg to Sofia | 879.07 mi (1,414.73 km) |
| Gudensberg to Sopot | 932.04 mi (1,499.98 km) |
| Gudensberg to Sozopol | 1,053.05 mi (1,694.72 km) |
| Gudensberg to Sredets | 1,037.09 mi (1,669.04 km) |
| Gudensberg to Stamboliyski | 949.73 mi (1,528.44 km) |
| Gudensberg to Stara Zagora | 975.33 mi (1,569.64 km) |
| Gudensberg to Svilengrad | 1,027.71 mi (1,653.94 km) |
| Gudensberg to Svishtov | 909.07 mi (1,463.01 km) |
| Gudensberg to Targovishte | 972.59 mi (1,565.23 km) |
| Gudensberg to Teteven | 901.65 mi (1,451.06 km) |
| Gudensberg to Troyan | 919.59 mi (1,479.94 km) |
| Gudensberg to Tryavna | 949.21 mi (1,527.61 km) |
| Gudensberg to Tutrakan | 939.09 mi (1,511.32 km) |
| Gudensberg to Varna | 1,025.79 mi (1,650.85 km) |
