| Montgomeryville to Smolyan | 4,885.84 mi (7,863.00 km) |
| Montgomeryville to Sofia | 4,783.46 mi (7,698.23 km) |
| Montgomeryville to Sopot | 4,843.46 mi (7,794.80 km) |
| Montgomeryville to Sozopol | 4,972.11 mi (8,001.84 km) |
| Montgomeryville to Sredets | 4,954.98 mi (7,974.27 km) |
| Montgomeryville to Stamboliyski | 4,856.08 mi (7,815.11 km) |
| Montgomeryville to Stara Zagora | 4,889.01 mi (7,868.10 km) |
| Montgomeryville to Svilengrad | 4,939.48 mi (7,949.32 km) |
| Montgomeryville to Svishtov | 4,827.49 mi (7,769.10 km) |
| Montgomeryville to Targovishte | 4,892.06 mi (7,873.01 km) |
| Montgomeryville to Teteven | 4,812.80 mi (7,745.45 km) |
| Montgomeryville to Troyan | 4,832.43 mi (7,777.05 km) |
| Montgomeryville to Tryavna | 4,864.77 mi (7,829.09 km) |
| Montgomeryville to Tutrakan | 4,859.64 mi (7,820.84 km) |
| Montgomeryville to Varna | 4,946.31 mi (7,960.32 km) |
