| Waconia to Smolyan | 5,360.43 mi (8,626.77 km) |
| Waconia to Sofia | 5,256.20 mi (8,459.04 km) |
| Waconia to Sopot | 5,305.37 mi (8,538.17 km) |
| Waconia to Sozopol | 5,412.33 mi (8,710.30 km) |
| Waconia to Sredets | 5,400.15 mi (8,690.70 km) |
| Waconia to Stamboliyski | 5,325.72 mi (8,570.92 km) |
| Waconia to Stara Zagora | 5,346.07 mi (8,603.67 km) |
| Waconia to Svilengrad | 5,399.60 mi (8,689.82 km) |
| Waconia to Svishtov | 5,273.29 mi (8,486.54 km) |
| Waconia to Targovishte | 5,332.05 mi (8,581.10 km) |
| Waconia to Teteven | 5,275.51 mi (8,490.11 km) |
| Waconia to Troyan | 5,291.91 mi (8,516.50 km) |
| Waconia to Tryavna | 5,318.07 mi (8,558.60 km) |
| Waconia to Tutrakan | 5,290.09 mi (8,513.57 km) |
| Waconia to Varna | 5,375.62 mi (8,651.23 km) |
