| Brigham City to Smolyan | 6,092.38 mi (9,804.73 km) |
| Brigham City to Sofia | 5,989.97 mi (9,639.93 km) |
| Brigham City to Sopot | 6,030.44 mi (9,705.06 km) |
| Brigham City to Sozopol | 6,119.33 mi (9,848.11 km) |
| Brigham City to Sredets | 6,110.94 mi (9,834.60 km) |
| Brigham City to Stamboliyski | 6,055.38 mi (9,745.19 km) |
| Brigham City to Stara Zagora | 6,066.65 mi (9,763.33 km) |
| Brigham City to Svilengrad | 6,120.64 mi (9,850.21 km) |
| Brigham City to Svishtov | 5,988.46 mi (9,637.49 km) |
| Brigham City to Targovishte | 6,041.42 mi (9,722.72 km) |
| Brigham City to Teteven | 6,002.02 mi (9,659.31 km) |
| Brigham City to Troyan | 6,015.75 mi (9,681.41 km) |
| Brigham City to Tryavna | 6,036.94 mi (9,715.52 km) |
| Brigham City to Tutrakan | 5,994.23 mi (9,646.79 km) |
| Brigham City to Varna | 6,076.24 mi (9,778.76 km) |
