| Rheinau to Smolyan | 949.60 mi (1,528.24 km) |
| Rheinau to Sofia | 847.63 mi (1,364.13 km) |
| Rheinau to Sopot | 909.58 mi (1,463.83 km) |
| Rheinau to Sozopol | 1,045.48 mi (1,682.53 km) |
| Rheinau to Sredets | 1,026.12 mi (1,651.38 km) |
| Rheinau to Stamboliyski | 920.38 mi (1,481.21 km) |
| Rheinau to Stara Zagora | 956.18 mi (1,538.83 km) |
| Rheinau to Svilengrad | 1,005.19 mi (1,617.69 km) |
| Rheinau to Svishtov | 901.21 mi (1,450.36 km) |
| Rheinau to Targovishte | 967.61 mi (1,557.22 km) |
| Rheinau to Teteven | 879.00 mi (1,414.62 km) |
| Rheinau to Troyan | 899.48 mi (1,447.57 km) |
| Rheinau to Tryavna | 933.78 mi (1,502.77 km) |
| Rheinau to Tutrakan | 943.31 mi (1,518.12 km) |
| Rheinau to Varna | 1,027.53 mi (1,653.64 km) |
