| Barking to Smolyan | 1,347.27 mi (2,168.23 km) |
| Barking to Sofia | 1,244.39 mi (2,002.65 km) |
| Barking to Sopot | 1,304.06 mi (2,098.68 km) |
| Barking to Sozopol | 1,434.94 mi (2,309.31 km) |
| Barking to Sredets | 1,416.93 mi (2,280.33 km) |
| Barking to Stamboliyski | 1,316.89 mi (2,119.34 km) |
| Barking to Stara Zagora | 1,349.76 mi (2,172.24 km) |
| Barking to Svilengrad | 1,400.06 mi (2,253.18 km) |
| Barking to Svishtov | 1,290.15 mi (2,076.29 km) |
| Barking to Targovishte | 1,355.59 mi (2,181.61 km) |
| Barking to Teteven | 1,273.40 mi (2,049.34 km) |
| Barking to Troyan | 1,293.14 mi (2,081.11 km) |
| Barking to Tryavna | 1,325.94 mi (2,133.89 km) |
| Barking to Tutrakan | 1,326.64 mi (2,135.02 km) |
| Barking to Varna | 1,412.53 mi (2,273.24 km) |
