| Siniscola to Smolyan | 783.54 mi (1,260.99 km) |
| Siniscola to Sofia | 718.32 mi (1,156.03 km) |
| Siniscola to Sopot | 789.65 mi (1,270.81 km) |
| Siniscola to Sozopol | 938.56 mi (1,510.47 km) |
| Siniscola to Sredets | 912.92 mi (1,469.20 km) |
| Siniscola to Stamboliyski | 776.00 mi (1,248.86 km) |
| Siniscola to Stara Zagora | 834.17 mi (1,342.47 km) |
| Siniscola to Svilengrad | 860.97 mi (1,385.60 km) |
| Siniscola to Svishtov | 828.22 mi (1,332.89 km) |
| Siniscola to Targovishte | 886.10 mi (1,426.05 km) |
| Siniscola to Teteven | 767.31 mi (1,234.86 km) |
| Siniscola to Troyan | 789.64 mi (1,270.80 km) |
| Siniscola to Tryavna | 828.96 mi (1,334.08 km) |
| Siniscola to Tutrakan | 895.44 mi (1,441.07 km) |
| Siniscola to Varna | 952.69 mi (1,533.21 km) |
