| Altea to Smolyan | 1,319.82 mi (2,124.05 km) |
| Altea to Sofia | 1,253.69 mi (2,017.61 km) |
| Altea to Sopot | 1,325.33 mi (2,132.91 km) |
| Altea to Sozopol | 1,474.72 mi (2,373.34 km) |
| Altea to Sredets | 1,449.13 mi (2,332.15 km) |
| Altea to Stamboliyski | 1,312.33 mi (2,111.98 km) |
| Altea to Stara Zagora | 1,370.25 mi (2,205.21 km) |
| Altea to Svilengrad | 1,397.34 mi (2,248.81 km) |
| Altea to Svishtov | 1,361.20 mi (2,190.64 km) |
| Altea to Targovishte | 1,420.64 mi (2,286.31 km) |
| Altea to Teteven | 1,302.30 mi (2,095.85 km) |
| Altea to Troyan | 1,324.81 mi (2,132.08 km) |
| Altea to Tryavna | 1,364.29 mi (2,195.61 km) |
| Altea to Tutrakan | 1,427.13 mi (2,296.75 km) |
| Altea to Varna | 1,487.51 mi (2,393.92 km) |
