| Sines to Smolyan | 1,788.62 mi (2,878.51 km) |
| Sines to Sofia | 1,716.37 mi (2,762.23 km) |
| Sines to Sopot | 1,788.53 mi (2,878.35 km) |
| Sines to Sozopol | 1,939.21 mi (3,120.86 km) |
| Sines to Sredets | 1,913.99 mi (3,080.27 km) |
| Sines to Stamboliyski | 1,778.37 mi (2,862.01 km) |
| Sines to Stara Zagora | 1,834.72 mi (2,952.69 km) |
| Sines to Svilengrad | 1,865.15 mi (3,001.66 km) |
| Sines to Svishtov | 1,818.55 mi (2,926.68 km) |
| Sines to Targovishte | 1,880.52 mi (3,026.41 km) |
| Sines to Teteven | 1,763.84 mi (2,838.63 km) |
| Sines to Troyan | 1,786.63 mi (2,875.31 km) |
| Sines to Tryavna | 1,826.31 mi (2,939.15 km) |
| Sines to Tutrakan | 1,881.98 mi (3,028.76 km) |
| Sines to Varna | 1,947.68 mi (3,134.49 km) |
