| Wilkinsburg to Smolyan | 5,064.71 mi (8,150.87 km) |
| Wilkinsburg to Sofia | 4,961.55 mi (7,984.84 km) |
| Wilkinsburg to Sopot | 5,019.68 mi (8,078.40 km) |
| Wilkinsburg to Sozopol | 5,144.61 mi (8,279.45 km) |
| Wilkinsburg to Sredets | 5,128.38 mi (8,253.33 km) |
| Wilkinsburg to Stamboliyski | 5,033.87 mi (8,101.23 km) |
| Wilkinsburg to Stara Zagora | 5,064.47 mi (8,150.48 km) |
| Wilkinsburg to Svilengrad | 5,115.75 mi (8,233.01 km) |
| Wilkinsburg to Svishtov | 5,000.47 mi (8,047.48 km) |
| Wilkinsburg to Targovishte | 5,064.17 mi (8,149.99 km) |
| Wilkinsburg to Teteven | 4,989.05 mi (8,029.09 km) |
| Wilkinsburg to Troyan | 5,008.13 mi (8,059.81 km) |
| Wilkinsburg to Tryavna | 5,039.39 mi (8,110.12 km) |
| Wilkinsburg to Tutrakan | 5,029.71 mi (8,094.53 km) |
| Wilkinsburg to Varna | 5,116.54 mi (8,234.27 km) |
