| Sestao to Smolyan | 1,411.07 mi (2,270.90 km) |
| Sestao to Sofia | 1,325.81 mi (2,133.68 km) |
| Sestao to Sopot | 1,397.25 mi (2,248.66 km) |
| Sestao to Sozopol | 1,547.49 mi (2,490.44 km) |
| Sestao to Sredets | 1,523.63 mi (2,452.04 km) |
| Sestao to Stamboliyski | 1,393.89 mi (2,243.25 km) |
| Sestao to Stara Zagora | 1,445.16 mi (2,325.76 km) |
| Sestao to Svilengrad | 1,483.07 mi (2,386.77 km) |
| Sestao to Svishtov | 1,415.20 mi (2,277.54 km) |
| Sestao to Targovishte | 1,480.47 mi (2,382.58 km) |
| Sestao to Teteven | 1,369.69 mi (2,204.30 km) |
| Sestao to Troyan | 1,392.50 mi (2,241.01 km) |
| Sestao to Tryavna | 1,431.66 mi (2,304.04 km) |
| Sestao to Tutrakan | 1,473.07 mi (2,370.67 km) |
| Sestao to Varna | 1,546.85 mi (2,489.42 km) |
