| North Augusta to Smolyan | 5,470.46 mi (8,803.86 km) |
| North Augusta to Sofia | 5,368.67 mi (8,640.05 km) |
| North Augusta to Sopot | 5,429.72 mi (8,738.30 km) |
| North Augusta to Sozopol | 5,560.25 mi (8,948.35 km) |
| North Augusta to Sredets | 5,542.67 mi (8,920.07 km) |
| North Augusta to Stamboliyski | 5,441.41 mi (8,757.10 km) |
| North Augusta to Stara Zagora | 5,475.66 mi (8,812.22 km) |
| North Augusta to Svilengrad | 5,525.62 mi (8,892.63 km) |
| North Augusta to Svishtov | 5,415.50 mi (8,715.41 km) |
| North Augusta to Targovishte | 5,480.44 mi (8,819.92 km) |
| North Augusta to Teteven | 5,399.07 mi (8,688.97 km) |
| North Augusta to Troyan | 5,419.00 mi (8,721.05 km) |
| North Augusta to Tryavna | 5,451.90 mi (8,773.99 km) |
| North Augusta to Tutrakan | 5,448.99 mi (8,769.29 km) |
| North Augusta to Varna | 5,535.53 mi (8,908.57 km) |
