| Estelle to Smolyan | 5,988.12 mi (9,636.95 km) |
| Estelle to Sofia | 5,885.48 mi (9,471.76 km) |
| Estelle to Sopot | 5,944.84 mi (9,567.30 km) |
| Estelle to Sozopol | 6,071.88 mi (9,771.74 km) |
| Estelle to Sredets | 6,055.18 mi (9,744.87 km) |
| Estelle to Stamboliyski | 5,958.02 mi (9,588.51 km) |
| Estelle to Stara Zagora | 5,990.10 mi (9,640.14 km) |
| Estelle to Svilengrad | 6,040.90 mi (9,721.89 km) |
| Estelle to Svishtov | 5,927.46 mi (9,539.32 km) |
| Estelle to Targovishte | 5,991.60 mi (9,642.55 km) |
| Estelle to Teteven | 5,914.18 mi (9,517.96 km) |
| Estelle to Troyan | 5,933.61 mi (9,549.22 km) |
| Estelle to Tryavna | 5,965.50 mi (9,600.55 km) |
| Estelle to Tutrakan | 5,958.06 mi (9,588.57 km) |
| Estelle to Varna | 6,044.84 mi (9,728.23 km) |
