| Riedisheim to Smolyan | 949.44 mi (1,527.98 km) |
| Riedisheim to Sofia | 849.47 mi (1,367.09 km) |
| Riedisheim to Sopot | 914.14 mi (1,471.17 km) |
| Riedisheim to Sozopol | 1,054.35 mi (1,696.81 km) |
| Riedisheim to Sredets | 1,033.89 mi (1,663.89 km) |
| Riedisheim to Stamboliyski | 922.21 mi (1,484.16 km) |
| Riedisheim to Stara Zagora | 961.52 mi (1,547.42 km) |
| Riedisheim to Svilengrad | 1,008.81 mi (1,623.53 km) |
| Riedisheim to Svishtov | 911.31 mi (1,466.62 km) |
| Riedisheim to Targovishte | 978.11 mi (1,574.11 km) |
| Riedisheim to Teteven | 883.83 mi (1,422.38 km) |
| Riedisheim to Troyan | 905.03 mi (1,456.51 km) |
| Riedisheim to Tryavna | 940.73 mi (1,513.96 km) |
| Riedisheim to Tutrakan | 957.40 mi (1,540.79 km) |
| Riedisheim to Varna | 1,039.96 mi (1,673.65 km) |
