| Mustang to Smolyan | 5,990.87 mi (9,641.38 km) |
| Mustang to Sofia | 5,886.62 mi (9,473.60 km) |
| Mustang to Sopot | 5,939.25 mi (9,558.29 km) |
| Mustang to Sozopol | 6,052.82 mi (9,741.08 km) |
| Mustang to Sredets | 6,039.24 mi (9,719.22 km) |
| Mustang to Stamboliyski | 5,957.45 mi (9,587.59 km) |
| Mustang to Stara Zagora | 5,981.56 mi (9,626.39 km) |
| Mustang to Svilengrad | 6,034.51 mi (9,711.61 km) |
| Mustang to Svishtov | 5,911.52 mi (9,513.68 km) |
| Mustang to Targovishte | 5,972.18 mi (9,611.29 km) |
| Mustang to Teteven | 5,908.99 mi (9,509.60 km) |
| Mustang to Troyan | 5,926.41 mi (9,537.63 km) |
| Mustang to Tryavna | 5,954.47 mi (9,582.79 km) |
| Mustang to Tutrakan | 5,932.51 mi (9,547.45 km) |
| Mustang to Varna | 6,018.79 mi (9,686.31 km) |
