| Monte San Pietro to Smolyan | 709.37 mi (1,141.63 km) |
| Monte San Pietro to Sofia | 618.60 mi (995.55 km) |
| Monte San Pietro to Sopot | 689.11 mi (1,109.01 km) |
| Monte San Pietro to Sozopol | 838.29 mi (1,349.10 km) |
| Monte San Pietro to Sredets | 814.94 mi (1,311.51 km) |
| Monte San Pietro to Stamboliyski | 688.66 mi (1,108.29 km) |
| Monte San Pietro to Stara Zagora | 737.26 mi (1,186.50 km) |
| Monte San Pietro to Svilengrad | 777.92 mi (1,251.94 km) |
| Monte San Pietro to Svishtov | 704.40 mi (1,133.62 km) |
| Monte San Pietro to Targovishte | 769.88 mi (1,239.00 km) |
| Monte San Pietro to Teteven | 660.78 mi (1,063.43 km) |
| Monte San Pietro to Troyan | 683.46 mi (1,099.92 km) |
| Monte San Pietro to Tryavna | 722.26 mi (1,162.36 km) |
| Monte San Pietro to Tutrakan | 762.39 mi (1,226.94 km) |
| Monte San Pietro to Varna | 836.10 mi (1,345.57 km) |
