| Calatayud to Smolyan | 1,358.17 mi (2,185.76 km) |
| Calatayud to Sofia | 1,279.99 mi (2,059.94 km) |
| Calatayud to Sopot | 1,352.16 mi (2,176.09 km) |
| Calatayud to Sozopol | 1,503.21 mi (2,419.18 km) |
| Calatayud to Sredets | 1,478.46 mi (2,379.35 km) |
| Calatayud to Stamboliyski | 1,344.80 mi (2,164.25 km) |
| Calatayud to Stara Zagora | 1,399.23 mi (2,251.85 km) |
| Calatayud to Svilengrad | 1,432.99 mi (2,306.18 km) |
| Calatayud to Svishtov | 1,377.68 mi (2,217.16 km) |
| Calatayud to Targovishte | 1,441.05 mi (2,319.15 km) |
| Calatayud to Teteven | 1,326.22 mi (2,134.35 km) |
| Calatayud to Troyan | 1,349.11 mi (2,171.18 km) |
| Calatayud to Tryavna | 1,388.73 mi (2,234.94 km) |
| Calatayud to Tutrakan | 1,439.37 mi (2,316.45 km) |
| Calatayud to Varna | 1,508.12 mi (2,427.09 km) |
