| Greensboro to Smolyan | 5,261.35 mi (8,467.33 km) |
| Greensboro to Sofia | 5,159.28 mi (8,303.06 km) |
| Greensboro to Sopot | 5,219.85 mi (8,400.54 km) |
| Greensboro to Sozopol | 5,349.50 mi (8,609.19 km) |
| Greensboro to Sredets | 5,332.14 mi (8,581.24 km) |
| Greensboro to Stamboliyski | 5,231.97 mi (8,420.05 km) |
| Greensboro to Stara Zagora | 5,265.61 mi (8,474.18 km) |
| Greensboro to Svilengrad | 5,315.82 mi (8,554.98 km) |
| Greensboro to Svishtov | 5,204.81 mi (8,376.33 km) |
| Greensboro to Targovishte | 5,269.57 mi (8,480.55 km) |
| Greensboro to Teteven | 5,189.20 mi (8,351.20 km) |
| Greensboro to Troyan | 5,208.99 mi (8,383.06 km) |
| Greensboro to Tryavna | 5,241.63 mi (8,435.58 km) |
| Greensboro to Tutrakan | 5,237.64 mi (8,429.16 km) |
| Greensboro to Varna | 5,324.25 mi (8,568.55 km) |
