| Sanford to Smolyan | 5,665.50 mi (9,117.75 km) |
| Sanford to Sofia | 5,565.50 mi (8,956.80 km) |
| Sanford to Sopot | 5,629.02 mi (9,059.03 km) |
| Sanford to Sozopol | 5,764.31 mi (9,276.76 km) |
| Sanford to Sredets | 5,745.52 mi (9,246.51 km) |
| Sanford to Stamboliyski | 5,638.28 mi (9,073.93 km) |
| Sanford to Stara Zagora | 5,675.83 mi (9,134.36 km) |
| Sanford to Svilengrad | 5,724.31 mi (9,212.38 km) |
| Sanford to Svishtov | 5,619.63 mi (9,043.92 km) |
| Sanford to Targovishte | 5,685.48 mi (9,149.90 km) |
| Sanford to Teteven | 5,598.49 mi (9,009.91 km) |
| Sanford to Troyan | 5,619.14 mi (9,043.13 km) |
| Sanford to Tryavna | 5,653.45 mi (9,098.34 km) |
| Sanford to Tutrakan | 5,657.08 mi (9,104.19 km) |
| Sanford to Varna | 5,742.97 mi (9,242.42 km) |
