| Wheeling to Smolyan | 5,114.12 mi (8,230.38 km) |
| Wheeling to Sofia | 5,010.91 mi (8,064.28 km) |
| Wheeling to Sopot | 5,068.94 mi (8,157.66 km) |
| Wheeling to Sozopol | 5,193.63 mi (8,358.34 km) |
| Wheeling to Sredets | 5,177.46 mi (8,332.31 km) |
| Wheeling to Stamboliyski | 5,083.21 mi (8,180.64 km) |
| Wheeling to Stara Zagora | 5,113.68 mi (8,229.67 km) |
| Wheeling to Svilengrad | 5,165.01 mi (8,312.27 km) |
| Wheeling to Svishtov | 5,049.53 mi (8,126.43 km) |
| Wheeling to Targovishte | 5,113.16 mi (8,228.84 km) |
| Wheeling to Teteven | 5,038.30 mi (8,108.37 km) |
| Wheeling to Troyan | 5,057.35 mi (8,139.02 km) |
| Wheeling to Tryavna | 5,088.55 mi (8,189.23 km) |
| Wheeling to Tutrakan | 5,078.57 mi (8,173.18 km) |
| Wheeling to Varna | 5,165.41 mi (8,312.92 km) |
