| Niederzier to Smolyan | 1,077.87 mi (1,734.66 km) |
| Niederzier to Sofia | 974.08 mi (1,567.62 km) |
| Niederzier to Sopot | 1,031.16 mi (1,659.48 km) |
| Niederzier to Sozopol | 1,158.53 mi (1,864.47 km) |
| Niederzier to Sredets | 1,141.23 mi (1,836.63 km) |
| Niederzier to Stamboliyski | 1,046.01 mi (1,683.39 km) |
| Niederzier to Stara Zagora | 1,076.00 mi (1,731.65 km) |
| Niederzier to Svilengrad | 1,127.22 mi (1,814.09 km) |
| Niederzier to Svishtov | 1,013.82 mi (1,631.59 km) |
| Niederzier to Targovishte | 1,078.70 mi (1,736.00 km) |
| Niederzier to Teteven | 1,000.53 mi (1,610.19 km) |
| Niederzier to Troyan | 1,019.61 mi (1,640.90 km) |
| Niederzier to Tryavna | 1,051.25 mi (1,691.82 km) |
| Niederzier to Tutrakan | 1,048.31 mi (1,687.09 km) |
| Niederzier to Varna | 1,134.51 mi (1,825.81 km) |
