| Soria to Smolyan | 1,396.20 mi (2,246.96 km) |
| Soria to Sofia | 1,316.14 mi (2,118.12 km) |
| Soria to Sopot | 1,388.21 mi (2,234.11 km) |
| Soria to Sozopol | 1,539.20 mi (2,477.11 km) |
| Soria to Sredets | 1,514.66 mi (2,437.61 km) |
| Soria to Stamboliyski | 1,381.86 mi (2,223.89 km) |
| Soria to Stara Zagora | 1,435.55 mi (2,310.30 km) |
| Soria to Svilengrad | 1,470.39 mi (2,366.37 km) |
| Soria to Svishtov | 1,411.78 mi (2,272.05 km) |
| Soria to Targovishte | 1,475.73 mi (2,374.95 km) |
| Soria to Teteven | 1,361.83 mi (2,191.65 km) |
| Soria to Troyan | 1,384.72 mi (2,228.49 km) |
| Soria to Tryavna | 1,424.27 mi (2,292.13 km) |
| Soria to Tutrakan | 1,472.53 mi (2,369.81 km) |
| Soria to Varna | 1,542.68 mi (2,482.71 km) |
