| Borgosesia to Smolyan | 867.89 mi (1,396.73 km) |
| Borgosesia to Sofia | 773.28 mi (1,244.47 km) |
| Borgosesia to Sopot | 842.06 mi (1,355.16 km) |
| Borgosesia to Sozopol | 988.67 mi (1,591.11 km) |
| Borgosesia to Sredets | 966.31 mi (1,555.12 km) |
| Borgosesia to Stamboliyski | 844.78 mi (1,359.54 km) |
| Borgosesia to Stara Zagora | 890.22 mi (1,432.67 km) |
| Borgosesia to Svilengrad | 933.55 mi (1,502.40 km) |
| Borgosesia to Svishtov | 850.21 mi (1,368.29 km) |
| Borgosesia to Targovishte | 916.73 mi (1,475.33 km) |
| Borgosesia to Teteven | 812.77 mi (1,308.02 km) |
| Borgosesia to Troyan | 835.03 mi (1,343.85 km) |
| Borgosesia to Tryavna | 872.88 mi (1,404.77 km) |
| Borgosesia to Tutrakan | 903.66 mi (1,454.30 km) |
| Borgosesia to Varna | 981.60 mi (1,579.73 km) |
