| Borgomanero to Smolyan | 858.23 mi (1,381.19 km) |
| Borgomanero to Sofia | 763.58 mi (1,228.86 km) |
| Borgomanero to Sopot | 832.34 mi (1,339.53 km) |
| Borgomanero to Sozopol | 978.95 mi (1,575.47 km) |
| Borgomanero to Sredets | 956.59 mi (1,539.48 km) |
| Borgomanero to Stamboliyski | 835.09 mi (1,343.95 km) |
| Borgomanero to Stara Zagora | 880.50 mi (1,417.03 km) |
| Borgomanero to Svilengrad | 923.85 mi (1,486.80 km) |
| Borgomanero to Svishtov | 840.51 mi (1,352.67 km) |
| Borgomanero to Targovishte | 907.02 mi (1,459.71 km) |
| Borgomanero to Teteven | 803.05 mi (1,292.38 km) |
| Borgomanero to Troyan | 825.31 mi (1,328.21 km) |
| Borgomanero to Tryavna | 863.17 mi (1,389.13 km) |
| Borgomanero to Tutrakan | 893.99 mi (1,438.74 km) |
| Borgomanero to Varna | 971.90 mi (1,564.12 km) |
