| Alpine to Smolyan | 6,740.74 mi (10,848.18 km) |
| Alpine to Sofia | 6,638.01 mi (10,682.84 km) |
| Alpine to Sopot | 6,679.47 mi (10,749.57 km) |
| Alpine to Sozopol | 6,769.92 mi (10,895.14 km) |
| Alpine to Sredets | 6,761.26 mi (10,881.20 km) |
| Alpine to Stamboliyski | 6,703.95 mi (10,788.97 km) |
| Alpine to Stara Zagora | 6,716.14 mi (10,808.58 km) |
| Alpine to Svilengrad | 6,770.14 mi (10,895.49 km) |
| Alpine to Svishtov | 6,638.34 mi (10,683.38 km) |
| Alpine to Targovishte | 6,691.79 mi (10,769.39 km) |
| Alpine to Teteven | 6,650.87 mi (10,703.54 km) |
| Alpine to Troyan | 6,664.88 mi (10,726.08 km) |
| Alpine to Tryavna | 6,686.56 mi (10,760.97 km) |
| Alpine to Tutrakan | 6,644.91 mi (10,693.95 km) |
| Alpine to Varna | 6,727.18 mi (10,826.35 km) |
