| Sankt Ingbert to Smolyan | 1,001.73 mi (1,612.14 km) |
| Sankt Ingbert to Sofia | 899.22 mi (1,447.15 km) |
| Sankt Ingbert to Sopot | 960.06 mi (1,545.07 km) |
| Sankt Ingbert to Sozopol | 1,093.97 mi (1,760.58 km) |
| Sankt Ingbert to Sredets | 1,075.12 mi (1,730.24 km) |
| Sankt Ingbert to Stamboliyski | 971.86 mi (1,564.06 km) |
| Sankt Ingbert to Stara Zagora | 1,006.28 mi (1,619.46 km) |
| Sankt Ingbert to Svilengrad | 1,055.89 mi (1,699.30 km) |
| Sankt Ingbert to Svishtov | 949.39 mi (1,527.90 km) |
| Sankt Ingbert to Targovishte | 1,015.49 mi (1,634.28 km) |
| Sankt Ingbert to Teteven | 929.43 mi (1,495.77 km) |
| Sankt Ingbert to Troyan | 949.58 mi (1,528.21 km) |
| Sankt Ingbert to Tryavna | 983.26 mi (1,582.41 km) |
| Sankt Ingbert to Tutrakan | 989.54 mi (1,592.51 km) |
| Sankt Ingbert to Varna | 1,074.41 mi (1,729.10 km) |
