| Montefiascone to Smolyan | 652.48 mi (1,050.07 km) |
| Montefiascone to Sofia | 574.08 mi (923.89 km) |
| Montefiascone to Sopot | 646.29 mi (1,040.10 km) |
| Montefiascone to Sozopol | 797.30 mi (1,283.13 km) |
| Montefiascone to Sredets | 772.40 mi (1,243.05 km) |
| Montefiascone to Stamboliyski | 638.47 mi (1,027.53 km) |
| Montefiascone to Stara Zagora | 693.12 mi (1,115.47 km) |
| Montefiascone to Svilengrad | 726.77 mi (1,169.62 km) |
| Montefiascone to Svishtov | 675.51 mi (1,087.13 km) |
| Montefiascone to Targovishte | 737.26 mi (1,186.50 km) |
| Montefiascone to Teteven | 620.95 mi (999.32 km) |
| Montefiascone to Troyan | 643.79 mi (1,036.08 km) |
| Montefiascone to Tryavna | 683.47 mi (1,099.93 km) |
| Montefiascone to Tutrakan | 739.86 mi (1,190.69 km) |
| Montefiascone to Varna | 804.42 mi (1,294.59 km) |
