| Morganton to Smolyan | 5,355.43 mi (8,618.73 km) |
| Morganton to Sofia | 5,253.08 mi (8,454.01 km) |
| Morganton to Sopot | 5,313.09 mi (8,550.60 km) |
| Morganton to Sozopol | 5,441.63 mi (8,757.45 km) |
| Morganton to Sredets | 5,424.54 mi (8,729.96 km) |
| Morganton to Stamboliyski | 5,325.70 mi (8,570.89 km) |
| Morganton to Stara Zagora | 5,358.64 mi (8,623.89 km) |
| Morganton to Svilengrad | 5,409.11 mi (8,705.13 km) |
| Morganton to Svishtov | 5,297.03 mi (8,524.74 km) |
| Morganton to Targovishte | 5,361.54 mi (8,628.57 km) |
| Morganton to Teteven | 5,282.43 mi (8,501.25 km) |
| Morganton to Troyan | 5,302.06 mi (8,532.85 km) |
| Morganton to Tryavna | 5,334.38 mi (8,584.85 km) |
| Morganton to Tutrakan | 5,328.95 mi (8,576.12 km) |
| Morganton to Varna | 5,415.65 mi (8,715.64 km) |
