| Rheinberg to Smolyan | 1,096.26 mi (1,764.26 km) |
| Rheinberg to Sofia | 992.13 mi (1,596.68 km) |
| Rheinberg to Sopot | 1,047.26 mi (1,685.40 km) |
| Rheinberg to Sozopol | 1,171.25 mi (1,884.94 km) |
| Rheinberg to Sredets | 1,154.71 mi (1,858.33 km) |
| Rheinberg to Stamboliyski | 1,063.53 mi (1,711.58 km) |
| Rheinberg to Stara Zagora | 1,091.33 mi (1,756.33 km) |
| Rheinberg to Svilengrad | 1,143.19 mi (1,839.79 km) |
| Rheinberg to Svishtov | 1,026.87 mi (1,652.60 km) |
| Rheinberg to Targovishte | 1,091.00 mi (1,755.80 km) |
| Rheinberg to Teteven | 1,016.72 mi (1,636.25 km) |
| Rheinberg to Troyan | 1,035.24 mi (1,666.05 km) |
| Rheinberg to Tryavna | 1,065.84 mi (1,715.30 km) |
| Rheinberg to Tutrakan | 1,058.67 mi (1,703.77 km) |
| Rheinberg to Varna | 1,145.24 mi (1,843.08 km) |
