| Republic to Smolyan | 5,744.07 mi (9,244.19 km) |
| Republic to Sofia | 5,639.93 mi (9,076.60 km) |
| Republic to Sopot | 5,693.86 mi (9,163.38 km) |
| Republic to Sozopol | 5,810.16 mi (9,350.54 km) |
| Republic to Sredets | 5,795.95 mi (9,327.68 km) |
| Republic to Stamboliyski | 5,711.18 mi (9,191.26 km) |
| Republic to Stara Zagora | 5,736.79 mi (9,232.47 km) |
| Republic to Svilengrad | 5,789.43 mi (9,317.18 km) |
| Republic to Svishtov | 5,668.02 mi (9,121.79 km) |
| Republic to Targovishte | 5,729.44 mi (9,220.64 km) |
| Republic to Teteven | 5,663.48 mi (9,114.49 km) |
| Republic to Troyan | 5,681.29 mi (9,143.16 km) |
| Republic to Tryavna | 5,710.11 mi (9,189.53 km) |
| Republic to Tutrakan | 5,690.90 mi (9,158.62 km) |
| Republic to Varna | 5,777.43 mi (9,297.88 km) |
