| Bailleul to Smolyan | 1,219.86 mi (1,963.18 km) |
| Bailleul to Sofia | 1,117.11 mi (1,797.82 km) |
| Bailleul to Sopot | 1,177.21 mi (1,894.54 km) |
| Bailleul to Sozopol | 1,309.17 mi (2,106.90 km) |
| Bailleul to Sredets | 1,290.86 mi (2,077.45 km) |
| Bailleul to Stamboliyski | 1,189.67 mi (1,914.60 km) |
| Bailleul to Stara Zagora | 1,223.10 mi (1,968.40 km) |
| Bailleul to Svilengrad | 1,273.17 mi (2,048.96 km) |
| Bailleul to Svishtov | 1,164.40 mi (1,873.92 km) |
| Bailleul to Targovishte | 1,230.09 mi (1,979.63 km) |
| Bailleul to Teteven | 1,146.55 mi (1,845.20 km) |
| Bailleul to Troyan | 1,166.45 mi (1,877.21 km) |
| Bailleul to Tryavna | 1,199.55 mi (1,930.49 km) |
| Bailleul to Tutrakan | 1,202.12 mi (1,934.62 km) |
| Bailleul to Varna | 1,287.71 mi (2,072.37 km) |
