| Obernai to Smolyan | 962.76 mi (1,549.41 km) |
| Obernai to Sofia | 861.34 mi (1,386.19 km) |
| Obernai to Sopot | 924.15 mi (1,487.27 km) |
| Obernai to Sozopol | 1,061.36 mi (1,708.10 km) |
| Obernai to Sredets | 1,041.68 mi (1,676.43 km) |
| Obernai to Stamboliyski | 934.13 mi (1,503.34 km) |
| Obernai to Stara Zagora | 971.00 mi (1,562.68 km) |
| Obernai to Svilengrad | 1,019.52 mi (1,640.77 km) |
| Obernai to Svishtov | 917.37 mi (1,476.37 km) |
| Obernai to Targovishte | 983.92 mi (1,583.47 km) |
| Obernai to Teteven | 893.62 mi (1,438.15 km) |
| Obernai to Troyan | 914.33 mi (1,471.47 km) |
| Obernai to Tryavna | 949.06 mi (1,527.37 km) |
| Obernai to Tutrakan | 960.60 mi (1,545.94 km) |
| Obernai to Varna | 1,044.40 mi (1,680.80 km) |
