| Alginet to Smolyan | 1,328.74 mi (2,138.39 km) |
| Alginet to Sofia | 1,259.44 mi (2,026.87 km) |
| Alginet to Sopot | 1,331.39 mi (2,142.66 km) |
| Alginet to Sozopol | 1,481.51 mi (2,384.25 km) |
| Alginet to Sredets | 1,456.07 mi (2,343.32 km) |
| Alginet to Stamboliyski | 1,319.76 mi (2,123.95 km) |
| Alginet to Stara Zagora | 1,376.95 mi (2,215.98 km) |
| Alginet to Svilengrad | 1,405.75 mi (2,262.34 km) |
| Alginet to Svishtov | 1,364.77 mi (2,196.39 km) |
| Alginet to Targovishte | 1,425.32 mi (2,293.82 km) |
| Alginet to Teteven | 1,307.59 mi (2,104.36 km) |
| Alginet to Troyan | 1,330.24 mi (2,140.82 km) |
| Alginet to Tryavna | 1,369.84 mi (2,204.55 km) |
| Alginet to Tutrakan | 1,429.80 mi (2,301.04 km) |
| Alginet to Varna | 1,492.37 mi (2,401.73 km) |
