| Montegrotto Terme to Smolyan | 696.71 mi (1,121.24 km) |
| Montegrotto Terme to Sofia | 601.26 mi (967.63 km) |
| Montegrotto Terme to Sopot | 669.84 mi (1,078.00 km) |
| Montegrotto Terme to Sozopol | 816.46 mi (1,313.96 km) |
| Montegrotto Terme to Sredets | 794.05 mi (1,277.91 km) |
| Montegrotto Terme to Stamboliyski | 672.95 mi (1,083.02 km) |
| Montegrotto Terme to Stara Zagora | 717.99 mi (1,155.49 km) |
| Montegrotto Terme to Svilengrad | 761.58 mi (1,225.64 km) |
| Montegrotto Terme to Svishtov | 678.45 mi (1,091.85 km) |
| Montegrotto Terme to Targovishte | 744.85 mi (1,198.72 km) |
| Montegrotto Terme to Teteven | 640.51 mi (1,030.80 km) |
| Montegrotto Terme to Troyan | 662.77 mi (1,066.62 km) |
| Montegrotto Terme to Tryavna | 700.64 mi (1,127.57 km) |
| Montegrotto Terme to Tutrakan | 732.91 mi (1,179.50 km) |
| Montegrotto Terme to Varna | 809.98 mi (1,303.53 km) |
