| Nierstein to Smolyan | 971.57 mi (1,563.58 km) |
| Nierstein to Sofia | 868.02 mi (1,396.94 km) |
| Nierstein to Sopot | 926.20 mi (1,490.57 km) |
| Nierstein to Sozopol | 1,055.90 mi (1,699.31 km) |
| Nierstein to Sredets | 1,038.02 mi (1,670.53 km) |
| Nierstein to Stamboliyski | 940.20 mi (1,513.10 km) |
| Nierstein to Stara Zagora | 971.51 mi (1,563.49 km) |
| Nierstein to Svilengrad | 1,022.27 mi (1,645.18 km) |
| Nierstein to Svishtov | 911.11 mi (1,466.28 km) |
| Nierstein to Targovishte | 976.51 mi (1,571.55 km) |
| Nierstein to Teteven | 895.54 mi (1,441.24 km) |
| Nierstein to Troyan | 914.97 mi (1,472.50 km) |
| Nierstein to Tryavna | 947.30 mi (1,524.54 km) |
| Nierstein to Tutrakan | 947.89 mi (1,525.48 km) |
| Nierstein to Varna | 1,033.62 mi (1,663.45 km) |
