| Erbach to Smolyan | 938.89 mi (1,511.00 km) |
| Erbach to Sofia | 835.32 mi (1,344.32 km) |
| Erbach to Sopot | 893.46 mi (1,437.89 km) |
| Erbach to Sozopol | 1,023.27 mi (1,646.80 km) |
| Erbach to Sredets | 1,005.35 mi (1,617.95 km) |
| Erbach to Stamboliyski | 907.48 mi (1,460.45 km) |
| Erbach to Stara Zagora | 938.78 mi (1,510.82 km) |
| Erbach to Svilengrad | 989.53 mi (1,592.50 km) |
| Erbach to Svishtov | 878.48 mi (1,413.78 km) |
| Erbach to Targovishte | 943.93 mi (1,519.11 km) |
| Erbach to Teteven | 862.81 mi (1,388.55 km) |
| Erbach to Troyan | 882.24 mi (1,419.82 km) |
| Erbach to Tryavna | 914.59 mi (1,471.90 km) |
| Erbach to Tutrakan | 915.51 mi (1,473.36 km) |
| Erbach to Varna | 1,001.17 mi (1,611.23 km) |
