| Quakenbruck to Smolyan | 1,093.56 mi (1,759.91 km) |
| Quakenbruck to Sofia | 989.33 mi (1,592.17 km) |
| Quakenbruck to Sopot | 1,039.71 mi (1,673.25 km) |
| Quakenbruck to Sozopol | 1,155.58 mi (1,859.72 km) |
| Quakenbruck to Sredets | 1,140.78 mi (1,835.91 km) |
| Quakenbruck to Stamboliyski | 1,059.04 mi (1,704.36 km) |
| Quakenbruck to Stara Zagora | 1,081.80 mi (1,741.00 km) |
| Quakenbruck to Svilengrad | 1,134.79 mi (1,826.27 km) |
| Quakenbruck to Svishtov | 1,012.77 mi (1,629.89 km) |
| Quakenbruck to Targovishte | 1,074.87 mi (1,729.84 km) |
| Quakenbruck to Teteven | 1,009.57 mi (1,624.75 km) |
| Quakenbruck to Troyan | 1,026.72 mi (1,652.34 km) |
| Quakenbruck to Tryavna | 1,054.83 mi (1,697.58 km) |
| Quakenbruck to Tutrakan | 1,038.62 mi (1,671.50 km) |
| Quakenbruck to Varna | 1,125.46 mi (1,811.25 km) |
