| Rheden to Smolyan | 1,133.42 mi (1,824.06 km) |
| Rheden to Sofia | 1,029.21 mi (1,656.35 km) |
| Rheden to Sopot | 1,083.60 mi (1,743.88 km) |
| Rheden to Sozopol | 1,206.14 mi (1,941.09 km) |
| Rheden to Sredets | 1,189.94 mi (1,915.03 km) |
| Rheden to Stamboliyski | 1,100.39 mi (1,770.90 km) |
| Rheden to Stara Zagora | 1,127.35 mi (1,814.29 km) |
| Rheden to Svilengrad | 1,179.44 mi (1,898.13 km) |
| Rheden to Svishtov | 1,061.99 mi (1,709.11 km) |
| Rheden to Targovishte | 1,125.75 mi (1,811.73 km) |
| Rheden to Teteven | 1,053.11 mi (1,694.82 km) |
| Rheden to Troyan | 1,071.40 mi (1,724.25 km) |
| Rheden to Tryavna | 1,101.57 mi (1,772.81 km) |
| Rheden to Tutrakan | 1,092.57 mi (1,758.32 km) |
| Rheden to Varna | 1,179.25 mi (1,897.82 km) |
