| Tudela to Smolyan | 1,349.53 mi (2,171.85 km) |
| Tudela to Sofia | 1,268.81 mi (2,041.95 km) |
| Tudela to Sopot | 1,340.83 mi (2,157.86 km) |
| Tudela to Sozopol | 1,491.79 mi (2,400.80 km) |
| Tudela to Sredets | 1,467.31 mi (2,361.41 km) |
| Tudela to Stamboliyski | 1,334.83 mi (2,148.20 km) |
| Tudela to Stara Zagora | 1,388.25 mi (2,234.17 km) |
| Tudela to Svilengrad | 1,423.46 mi (2,290.84 km) |
| Tudela to Svishtov | 1,363.87 mi (2,194.94 km) |
| Tudela to Targovishte | 1,427.94 mi (2,298.05 km) |
| Tudela to Teteven | 1,314.32 mi (2,115.19 km) |
| Tudela to Troyan | 1,337.21 mi (2,152.03 km) |
| Tudela to Tryavna | 1,376.73 mi (2,215.63 km) |
| Tudela to Tutrakan | 1,424.40 mi (2,292.35 km) |
| Tudela to Varna | 1,494.87 mi (2,405.75 km) |
