| Montoro to Smolyan | 1,555.82 mi (2,503.85 km) |
| Montoro to Sofia | 1,487.39 mi (2,393.72 km) |
| Montoro to Sopot | 1,559.30 mi (2,509.44 km) |
| Montoro to Sozopol | 1,709.28 mi (2,750.82 km) |
| Montoro to Sredets | 1,683.81 mi (2,709.82 km) |
| Montoro to Stamboliyski | 1,547.35 mi (2,490.21 km) |
| Montoro to Stara Zagora | 1,604.73 mi (2,582.57 km) |
| Montoro to Svilengrad | 1,633.04 mi (2,628.12 km) |
| Montoro to Svishtov | 1,592.89 mi (2,563.51 km) |
| Montoro to Targovishte | 1,653.40 mi (2,660.90 km) |
| Montoro to Teteven | 1,535.61 mi (2,471.32 km) |
| Montoro to Troyan | 1,558.25 mi (2,507.76 km) |
| Montoro to Tryavna | 1,597.83 mi (2,571.46 km) |
| Montoro to Tutrakan | 1,657.87 mi (2,668.09 km) |
| Montoro to Varna | 1,720.44 mi (2,768.79 km) |
