| Green Bay to Smolyan | 5,178.87 mi (8,334.59 km) |
| Green Bay to Sofia | 5,074.59 mi (8,166.77 km) |
| Green Bay to Sopot | 5,126.74 mi (8,250.70 km) |
| Green Bay to Sozopol | 5,239.77 mi (8,432.59 km) |
| Green Bay to Sredets | 5,226.26 mi (8,410.85 km) |
| Green Bay to Stamboliyski | 5,145.24 mi (8,280.47 km) |
| Green Bay to Stara Zagora | 5,168.88 mi (8,318.51 km) |
| Green Bay to Svilengrad | 5,221.91 mi (8,403.85 km) |
| Green Bay to Svishtov | 5,098.59 mi (8,205.38 km) |
| Green Bay to Targovishte | 5,159.13 mi (8,302.82 km) |
| Green Bay to Teteven | 5,096.53 mi (8,202.07 km) |
| Green Bay to Troyan | 5,113.83 mi (8,229.91 km) |
| Green Bay to Tryavna | 5,141.69 mi (8,274.75 km) |
| Green Bay to Tutrakan | 5,119.39 mi (8,238.85 km) |
| Green Bay to Varna | 5,205.66 mi (8,377.71 km) |
