| Stamford to Smolyan | 1,398.41 mi (2,250.52 km) |
| Stamford to Sofia | 1,294.81 mi (2,083.80 km) |
| Stamford to Sopot | 1,352.37 mi (2,176.43 km) |
| Stamford to Sozopol | 1,479.45 mi (2,380.94 km) |
| Stamford to Sredets | 1,462.34 mi (2,353.41 km) |
| Stamford to Stamboliyski | 1,366.91 mi (2,199.83 km) |
| Stamford to Stara Zagora | 1,397.27 mi (2,248.69 km) |
| Stamford to Svilengrad | 1,448.45 mi (2,331.05 km) |
| Stamford to Svishtov | 1,334.81 mi (2,148.17 km) |
| Stamford to Targovishte | 1,399.47 mi (2,252.22 km) |
| Stamford to Teteven | 1,321.74 mi (2,127.13 km) |
| Stamford to Troyan | 1,340.87 mi (2,157.92 km) |
| Stamford to Tryavna | 1,372.51 mi (2,208.83 km) |
| Stamford to Tutrakan | 1,368.14 mi (2,201.81 km) |
| Stamford to Varna | 1,454.57 mi (2,340.90 km) |
