| Central to Smolyan | 5,989.63 mi (9,639.37 km) |
| Central to Sofia | 5,886.65 mi (9,473.66 km) |
| Central to Sopot | 5,945.23 mi (9,567.92 km) |
| Central to Sozopol | 6,070.70 mi (9,769.85 km) |
| Central to Sredets | 6,054.38 mi (9,743.59 km) |
| Central to Stamboliyski | 5,959.07 mi (9,590.19 km) |
| Central to Stara Zagora | 5,990.17 mi (9,640.25 km) |
| Central to Svilengrad | 6,041.31 mi (9,722.55 km) |
| Central to Svishtov | 5,926.51 mi (9,537.79 km) |
| Central to Targovishte | 5,990.28 mi (9,640.43 km) |
| Central to Teteven | 5,914.58 mi (9,518.60 km) |
| Central to Troyan | 5,933.78 mi (9,549.49 km) |
| Central to Tryavna | 5,965.22 mi (9,600.10 km) |
| Central to Tutrakan | 5,955.92 mi (9,585.12 km) |
| Central to Varna | 6,042.74 mi (9,724.85 km) |
