| Oupeye to Sofia | 1,000.25 mi (1,609.75 km) |
| Oupeye to Sopot | 1,058.49 mi (1,703.48 km) |
| Oupeye to Sozopol | 1,187.71 mi (1,911.44 km) |
| Oupeye to Sredets | 1,170.01 mi (1,882.94 km) |
| Oupeye to Stamboliyski | 1,072.46 mi (1,725.96 km) |
| Oupeye to Stara Zagora | 1,103.76 mi (1,776.33 km) |
| Oupeye to Svilengrad | 1,154.57 mi (1,858.10 km) |
| Oupeye to Svishtov | 1,042.93 mi (1,678.43 km) |
| Oupeye to Targovishte | 1,108.16 mi (1,783.42 km) |
| Oupeye to Teteven | 1,027.84 mi (1,654.15 km) |
| Oupeye to Troyan | 1,047.24 mi (1,685.37 km) |
| Oupeye to Tryavna | 1,079.46 mi (1,737.23 km) |
| Oupeye to Tutrakan | 1,078.78 mi (1,736.14 km) |
| Oupeye to Varna | 1,164.75 mi (1,874.48 km) |
| Oupeye to Veliki Preslav | 1,121.10 mi (1,804.24 km) |
