| Gerlingen to Smolyan | 907.35 mi (1,460.24 km) |
| Gerlingen to Sofia | 804.68 mi (1,295.00 km) |
| Gerlingen to Sopot | 865.33 mi (1,392.61 km) |
| Gerlingen to Sozopol | 999.33 mi (1,608.27 km) |
| Gerlingen to Sredets | 980.41 mi (1,577.82 km) |
| Gerlingen to Stamboliyski | 877.29 mi (1,411.86 km) |
| Gerlingen to Stara Zagora | 911.53 mi (1,466.96 km) |
| Gerlingen to Svilengrad | 961.18 mi (1,546.87 km) |
| Gerlingen to Svishtov | 854.79 mi (1,375.65 km) |
| Gerlingen to Targovishte | 920.96 mi (1,482.14 km) |
| Gerlingen to Teteven | 834.69 mi (1,343.31 km) |
| Gerlingen to Troyan | 854.83 mi (1,375.72 km) |
| Gerlingen to Tryavna | 888.51 mi (1,429.92 km) |
| Gerlingen to Tutrakan | 895.46 mi (1,441.11 km) |
| Gerlingen to Varna | 980.13 mi (1,577.37 km) |
