| Hickory to Smolyan | 5,339.82 mi (8,593.61 km) |
| Hickory to Sofia | 5,237.54 mi (8,429.01 km) |
| Hickory to Sopot | 5,297.71 mi (8,525.85 km) |
| Hickory to Sozopol | 5,426.55 mi (8,733.19 km) |
| Hickory to Sredets | 5,409.39 mi (8,705.57 km) |
| Hickory to Stamboliyski | 5,310.19 mi (8,545.93 km) |
| Hickory to Stara Zagora | 5,343.31 mi (8,599.23 km) |
| Hickory to Svilengrad | 5,393.72 mi (8,680.35 km) |
| Hickory to Svishtov | 5,281.92 mi (8,500.43 km) |
| Hickory to Targovishte | 5,346.50 mi (8,604.37 km) |
| Hickory to Teteven | 5,267.05 mi (8,476.50 km) |
| Hickory to Troyan | 5,286.73 mi (8,508.17 km) |
| Hickory to Tryavna | 5,319.13 mi (8,560.31 km) |
| Hickory to Tutrakan | 5,314.09 mi (8,552.20 km) |
| Hickory to Varna | 5,400.76 mi (8,691.69 km) |
