| Waupun to Smolyan | 5,248.22 mi (8,446.19 km) |
| Waupun to Sofia | 5,143.94 mi (8,278.38 km) |
| Waupun to Sopot | 5,196.32 mi (8,362.66 km) |
| Waupun to Sozopol | 5,309.74 mi (8,545.20 km) |
| Waupun to Sredets | 5,296.15 mi (8,523.33 km) |
| Waupun to Stamboliyski | 5,214.67 mi (8,392.20 km) |
| Waupun to Stara Zagora | 5,238.55 mi (8,430.63 km) |
| Waupun to Svilengrad | 5,291.53 mi (8,515.90 km) |
| Waupun to Svishtov | 5,168.44 mi (8,317.80 km) |
| Waupun to Targovishte | 5,229.09 mi (8,415.41 km) |
| Waupun to Teteven | 5,166.08 mi (8,314.00 km) |
| Waupun to Troyan | 5,183.44 mi (8,341.94 km) |
| Waupun to Tryavna | 5,211.42 mi (8,386.97 km) |
| Waupun to Tutrakan | 5,189.49 mi (8,351.67 km) |
| Waupun to Varna | 5,275.80 mi (8,490.58 km) |
