| Edwardsville to Smolyan | 5,532.84 mi (8,904.24 km) |
| Edwardsville to Sofia | 5,428.81 mi (8,736.83 km) |
| Edwardsville to Sopot | 5,483.51 mi (8,824.85 km) |
| Edwardsville to Sozopol | 5,601.43 mi (9,014.63 km) |
| Edwardsville to Sredets | 5,586.85 mi (8,991.16 km) |
| Edwardsville to Stamboliyski | 5,500.29 mi (8,851.86 km) |
| Edwardsville to Stara Zagora | 5,526.79 mi (8,894.51 km) |
| Edwardsville to Svilengrad | 5,579.22 mi (8,978.89 km) |
| Edwardsville to Svishtov | 5,458.83 mi (8,785.14 km) |
| Edwardsville to Targovishte | 5,520.71 mi (8,884.72 km) |
| Edwardsville to Teteven | 5,453.06 mi (8,775.85 km) |
| Edwardsville to Troyan | 5,471.11 mi (8,804.90 km) |
| Edwardsville to Tryavna | 5,500.38 mi (8,852.01 km) |
| Edwardsville to Tutrakan | 5,482.89 mi (8,823.86 km) |
| Edwardsville to Varna | 5,569.54 mi (8,963.31 km) |
