| Appenweier to Smolyan | 944.04 mi (1,519.29 km) |
| Appenweier to Sofia | 842.26 mi (1,355.48 km) |
| Appenweier to Sopot | 904.52 mi (1,455.69 km) |
| Appenweier to Sozopol | 1,040.94 mi (1,675.23 km) |
| Appenweier to Sredets | 1,021.45 mi (1,643.86 km) |
| Appenweier to Stamboliyski | 915.03 mi (1,472.59 km) |
| Appenweier to Stara Zagora | 951.22 mi (1,530.84 km) |
| Appenweier to Svilengrad | 1,000.05 mi (1,609.42 km) |
| Appenweier to Svishtov | 896.78 mi (1,443.23 km) |
| Appenweier to Targovishte | 963.24 mi (1,550.19 km) |
| Appenweier to Teteven | 873.96 mi (1,406.50 km) |
| Appenweier to Troyan | 894.53 mi (1,439.60 km) |
| Appenweier to Tryavna | 928.99 mi (1,495.07 km) |
| Appenweier to Tutrakan | 939.38 mi (1,511.78 km) |
| Appenweier to Varna | 1,023.41 mi (1,647.01 km) |
