| Altamont to Smolyan | 6,281.24 mi (10,108.67 km) |
| Altamont to Sofia | 6,181.84 mi (9,948.71 km) |
| Altamont to Sopot | 6,215.04 mi (10,002.15 km) |
| Altamont to Sozopol | 6,288.91 mi (10,121.02 km) |
| Altamont to Sredets | 6,283.48 mi (10,112.29 km) |
| Altamont to Stamboliyski | 6,243.06 mi (10,047.24 km) |
| Altamont to Stara Zagora | 6,247.26 mi (10,054.00 km) |
| Altamont to Svilengrad | 6,300.72 mi (10,140.03 km) |
| Altamont to Svishtov | 6,166.28 mi (9,923.67 km) |
| Altamont to Targovishte | 6,214.05 mi (10,000.55 km) |
| Altamont to Teteven | 6,188.16 mi (9,958.88 km) |
| Altamont to Troyan | 6,199.65 mi (9,977.37 km) |
| Altamont to Tryavna | 6,216.76 mi (10,004.90 km) |
| Altamont to Tutrakan | 6,163.78 mi (9,919.64 km) |
| Altamont to Varna | 6,241.81 mi (10,045.22 km) |
