| Harrisburg to Smolyan | 4,952.03 mi (7,969.52 km) |
| Harrisburg to Sofia | 4,849.36 mi (7,804.29 km) |
| Harrisburg to Sopot | 4,908.74 mi (7,899.86 km) |
| Harrisburg to Sozopol | 5,036.16 mi (8,104.92 km) |
| Harrisburg to Sredets | 5,019.33 mi (8,077.83 km) |
| Harrisburg to Stamboliyski | 4,921.90 mi (7,921.03 km) |
| Harrisburg to Stara Zagora | 4,954.04 mi (7,972.76 km) |
| Harrisburg to Svilengrad | 5,004.80 mi (8,054.45 km) |
| Harrisburg to Svishtov | 4,891.67 mi (7,872.38 km) |
| Harrisburg to Targovishte | 4,955.96 mi (7,975.84 km) |
| Harrisburg to Teteven | 4,878.08 mi (7,850.51 km) |
| Harrisburg to Troyan | 4,897.53 mi (7,881.82 km) |
| Harrisburg to Tryavna | 4,929.51 mi (7,933.29 km) |
| Harrisburg to Tutrakan | 4,922.84 mi (7,922.54 km) |
| Harrisburg to Varna | 5,009.58 mi (8,062.15 km) |
