| Buren to Smolyan | 1,026.18 mi (1,651.47 km) |
| Buren to Sofia | 921.88 mi (1,483.63 km) |
| Buren to Sopot | 974.79 mi (1,568.77 km) |
| Buren to Sozopol | 1,095.39 mi (1,762.86 km) |
| Buren to Sredets | 1,079.55 mi (1,737.37 km) |
| Buren to Stamboliyski | 992.53 mi (1,597.32 km) |
| Buren to Stara Zagora | 1,018.00 mi (1,638.32 km) |
| Buren to Svilengrad | 1,070.42 mi (1,722.68 km) |
| Buren to Svishtov | 951.51 mi (1,531.31 km) |
| Buren to Targovishte | 1,014.89 mi (1,633.31 km) |
| Buren to Teteven | 944.40 mi (1,519.86 km) |
| Buren to Troyan | 962.31 mi (1,548.68 km) |
| Buren to Tryavna | 991.83 mi (1,596.19 km) |
| Buren to Tutrakan | 981.05 mi (1,578.85 km) |
| Buren to Varna | 1,067.79 mi (1,718.45 km) |
