| Wyomissing to Smolyan | 4,912.26 mi (7,905.52 km) |
| Wyomissing to Sofia | 4,809.73 mi (7,740.51 km) |
| Wyomissing to Sopot | 4,869.42 mi (7,836.57 km) |
| Wyomissing to Sozopol | 4,997.45 mi (8,042.62 km) |
| Wyomissing to Sredets | 4,980.47 mi (8,015.29 km) |
| Wyomissing to Stamboliyski | 4,882.31 mi (7,857.32 km) |
| Wyomissing to Stara Zagora | 4,914.84 mi (7,909.67 km) |
| Wyomissing to Svilengrad | 4,965.46 mi (7,991.14 km) |
| Wyomissing to Svishtov | 4,852.89 mi (7,809.97 km) |
| Wyomissing to Targovishte | 4,917.32 mi (7,913.65 km) |
| Wyomissing to Teteven | 4,838.76 mi (7,787.22 km) |
| Wyomissing to Troyan | 4,858.30 mi (7,818.68 km) |
| Wyomissing to Tryavna | 4,890.46 mi (7,870.43 km) |
| Wyomissing to Tutrakan | 4,884.54 mi (7,860.92 km) |
| Wyomissing to Varna | 4,971.26 mi (8,000.46 km) |
