| Erlensee to Smolyan | 958.24 mi (1,542.14 km) |
| Erlensee to Sofia | 854.34 mi (1,374.93 km) |
| Erlensee to Sopot | 911.10 mi (1,466.27 km) |
| Erlensee to Sozopol | 1,038.54 mi (1,671.36 km) |
| Erlensee to Sredets | 1,021.16 mi (1,643.40 km) |
| Erlensee to Stamboliyski | 926.17 mi (1,490.53 km) |
| Erlensee to Stara Zagora | 955.89 mi (1,538.36 km) |
| Erlensee to Svilengrad | 1,007.16 mi (1,620.87 km) |
| Erlensee to Svishtov | 893.81 mi (1,438.45 km) |
| Erlensee to Targovishte | 958.79 mi (1,543.02 km) |
| Erlensee to Teteven | 880.48 mi (1,416.99 km) |
| Erlensee to Troyan | 899.51 mi (1,447.63 km) |
| Erlensee to Tryavna | 931.13 mi (1,498.51 km) |
| Erlensee to Tutrakan | 928.85 mi (1,494.84 km) |
| Erlensee to Varna | 1,014.92 mi (1,633.36 km) |
