| Valladolid to Smolyan | 1,512.37 mi (2,433.93 km) |
| Valladolid to Sofia | 1,431.66 mi (2,304.04 km) |
| Valladolid to Sopot | 1,503.67 mi (2,419.93 km) |
| Valladolid to Sozopol | 1,654.61 mi (2,662.84 km) |
| Valladolid to Sredets | 1,630.16 mi (2,623.49 km) |
| Valladolid to Stamboliyski | 1,497.72 mi (2,410.36 km) |
| Valladolid to Stara Zagora | 1,551.11 mi (2,496.28 km) |
| Valladolid to Svilengrad | 1,586.36 mi (2,553.00 km) |
| Valladolid to Svishtov | 1,526.29 mi (2,456.33 km) |
| Valladolid to Targovishte | 1,590.51 mi (2,559.69 km) |
| Valladolid to Teteven | 1,477.10 mi (2,377.16 km) |
| Valladolid to Troyan | 1,499.99 mi (2,414.00 km) |
| Valladolid to Tryavna | 1,539.49 mi (2,477.57 km) |
| Valladolid to Tutrakan | 1,586.47 mi (2,553.17 km) |
| Valladolid to Varna | 1,657.39 mi (2,667.32 km) |
