| Tordesillas to Smolyan | 1,528.27 mi (2,459.51 km) |
| Tordesillas to Sofia | 1,447.91 mi (2,330.18 km) |
| Tordesillas to Sopot | 1,519.94 mi (2,446.11 km) |
| Tordesillas to Sozopol | 1,670.90 mi (2,689.06 km) |
| Tordesillas to Sredets | 1,646.42 mi (2,649.65 km) |
| Tordesillas to Stamboliyski | 1,513.81 mi (2,436.24 km) |
| Tordesillas to Stara Zagora | 1,567.34 mi (2,522.39 km) |
| Tordesillas to Svilengrad | 1,602.39 mi (2,578.79 km) |
| Tordesillas to Svishtov | 1,542.88 mi (2,483.02 km) |
| Tordesillas to Targovishte | 1,607.02 mi (2,586.25 km) |
| Tordesillas to Teteven | 1,493.44 mi (2,403.46 km) |
| Tordesillas to Troyan | 1,516.33 mi (2,440.30 km) |
| Tordesillas to Tryavna | 1,555.85 mi (2,503.90 km) |
| Tordesillas to Tutrakan | 1,603.20 mi (2,580.10 km) |
| Tordesillas to Varna | 1,673.92 mi (2,693.92 km) |
