| Dormagen to Smolyan | 1,072.24 mi (1,725.61 km) |
| Dormagen to Sofia | 968.26 mi (1,558.27 km) |
| Dormagen to Sopot | 1,024.42 mi (1,648.64 km) |
| Dormagen to Sozopol | 1,150.26 mi (1,851.16 km) |
| Dormagen to Sredets | 1,133.30 mi (1,823.87 km) |
| Dormagen to Stamboliyski | 1,039.95 mi (1,673.64 km) |
| Dormagen to Stara Zagora | 1,068.91 mi (1,720.24 km) |
| Dormagen to Svilengrad | 1,120.44 mi (1,803.18 km) |
| Dormagen to Svishtov | 1,005.67 mi (1,618.48 km) |
| Dormagen to Targovishte | 1,070.23 mi (1,722.37 km) |
| Dormagen to Teteven | 993.83 mi (1,599.41 km) |
| Dormagen to Troyan | 1,012.64 mi (1,629.69 km) |
| Dormagen to Tryavna | 1,043.81 mi (1,679.85 km) |
| Dormagen to Tutrakan | 1,038.98 mi (1,672.08 km) |
| Dormagen to Varna | 1,125.36 mi (1,811.09 km) |
