| Merced to Smolyan | 6,559.95 mi (10,557.21 km) |
| Merced to Sofia | 6,459.06 mi (10,394.85 km) |
| Merced to Sopot | 6,495.49 mi (10,453.49 km) |
| Merced to Sozopol | 6,575.77 mi (10,582.68 km) |
| Merced to Sredets | 6,569.13 mi (10,571.99 km) |
| Merced to Stamboliyski | 6,522.22 mi (10,496.50 km) |
| Merced to Stara Zagora | 6,529.47 mi (10,508.17 km) |
| Merced to Svilengrad | 6,583.25 mi (10,594.71 km) |
| Merced to Svishtov | 6,449.53 mi (10,379.52 km) |
| Merced to Targovishte | 6,499.54 mi (10,460.00 km) |
| Merced to Teteven | 6,467.90 mi (10,409.08 km) |
| Merced to Troyan | 6,480.37 mi (10,429.15 km) |
| Merced to Tryavna | 6,499.25 mi (10,459.54 km) |
| Merced to Tutrakan | 6,450.45 mi (10,380.99 km) |
| Merced to Varna | 6,530.21 mi (10,509.35 km) |
