| Monteriggioni to Smolyan | 697.50 mi (1,122.52 km) |
| Monteriggioni to Sofia | 612.97 mi (986.48 km) |
| Monteriggioni to Sopot | 684.79 mi (1,102.06 km) |
| Monteriggioni to Sozopol | 835.56 mi (1,344.71 km) |
| Monteriggioni to Sredets | 811.29 mi (1,305.65 km) |
| Monteriggioni to Stamboliyski | 680.36 mi (1,094.93 km) |
| Monteriggioni to Stara Zagora | 732.45 mi (1,178.76 km) |
| Monteriggioni to Svilengrad | 769.48 mi (1,238.35 km) |
| Monteriggioni to Svishtov | 707.55 mi (1,138.68 km) |
| Monteriggioni to Targovishte | 771.36 mi (1,241.38 km) |
| Monteriggioni to Teteven | 657.91 mi (1,058.80 km) |
| Monteriggioni to Troyan | 680.79 mi (1,095.63 km) |
| Monteriggioni to Tryavna | 720.25 mi (1,159.13 km) |
| Monteriggioni to Tutrakan | 769.13 mi (1,237.80 km) |
| Monteriggioni to Varna | 838.32 mi (1,349.15 km) |
