| State College to Smolyan | 4,968.61 mi (7,996.21 km) |
| State College to Sofia | 4,865.66 mi (7,830.53 km) |
| State College to Sopot | 4,924.38 mi (7,925.02 km) |
| State College to Sozopol | 5,050.48 mi (8,127.96 km) |
| State College to Sredets | 5,033.96 mi (8,101.38 km) |
| State College to Stamboliyski | 4,938.09 mi (7,947.09 km) |
| State College to Stara Zagora | 4,969.41 mi (7,997.49 km) |
| State College to Svilengrad | 5,020.45 mi (8,079.64 km) |
| State College to Svishtov | 4,906.16 mi (7,895.70 km) |
| State College to Targovishte | 4,970.14 mi (7,998.66 km) |
| State College to Teteven | 4,893.73 mi (7,875.69 km) |
| State College to Troyan | 4,912.98 mi (7,906.68 km) |
| State College to Tryavna | 4,944.58 mi (7,957.53 km) |
| State College to Tutrakan | 4,936.31 mi (7,944.22 km) |
| State College to Varna | 5,023.11 mi (8,083.91 km) |
