| Pola de Siero to Smolyan | 1,542.91 mi (2,483.07 km) |
| Pola de Siero to Sofia | 1,456.79 mi (2,344.48 km) |
| Pola de Siero to Sopot | 1,528.05 mi (2,459.16 km) |
| Pola de Siero to Sozopol | 1,678.01 mi (2,700.49 km) |
| Pola de Siero to Sredets | 1,654.31 mi (2,662.35 km) |
| Pola de Siero to Stamboliyski | 1,525.27 mi (2,454.68 km) |
| Pola de Siero to Stara Zagora | 1,576.04 mi (2,536.39 km) |
| Pola de Siero to Svilengrad | 1,614.50 mi (2,598.29 km) |
| Pola de Siero to Svishtov | 1,544.65 mi (2,485.88 km) |
| Pola de Siero to Targovishte | 1,610.20 mi (2,591.37 km) |
| Pola de Siero to Teteven | 1,500.26 mi (2,414.43 km) |
| Pola de Siero to Troyan | 1,523.03 mi (2,451.08 km) |
| Pola de Siero to Tryavna | 1,562.07 mi (2,513.91 km) |
| Pola de Siero to Tutrakan | 1,601.65 mi (2,577.61 km) |
| Pola de Siero to Varna | 1,676.37 mi (2,697.86 km) |
