| Rudolstadt to Smolyan | 896.27 mi (1,442.41 km) |
| Rudolstadt to Sofia | 791.99 mi (1,274.59 km) |
| Rudolstadt to Sopot | 843.53 mi (1,357.52 km) |
| Rudolstadt to Sozopol | 962.80 mi (1,549.47 km) |
| Rudolstadt to Sredets | 947.14 mi (1,524.27 km) |
| Rudolstadt to Stamboliyski | 862.08 mi (1,387.39 km) |
| Rudolstadt to Stara Zagora | 886.30 mi (1,426.36 km) |
| Rudolstadt to Svilengrad | 938.95 mi (1,511.10 km) |
| Rudolstadt to Svishtov | 819.08 mi (1,318.17 km) |
| Rudolstadt to Targovishte | 882.26 mi (1,419.86 km) |
| Rudolstadt to Teteven | 813.24 mi (1,308.79 km) |
| Rudolstadt to Troyan | 830.82 mi (1,337.08 km) |
| Rudolstadt to Tryavna | 859.85 mi (1,383.79 km) |
| Rudolstadt to Tutrakan | 848.25 mi (1,365.12 km) |
| Rudolstadt to Varna | 934.99 mi (1,504.72 km) |
