| Douglasville to Smolyan | 5,574.40 mi (8,971.13 km) |
| Douglasville to Sofia | 5,471.96 mi (8,806.26 km) |
| Douglasville to Sopot | 5,531.77 mi (8,902.53 km) |
| Douglasville to Sozopol | 5,659.84 mi (9,108.63 km) |
| Douglasville to Sredets | 5,642.88 mi (9,081.33 km) |
| Douglasville to Stamboliyski | 5,544.56 mi (8,923.11 km) |
| Douglasville to Stara Zagora | 5,577.23 mi (8,975.68 km) |
| Douglasville to Svilengrad | 5,627.81 mi (9,057.08 km) |
| Douglasville to Svishtov | 5,515.29 mi (8,876.00 km) |
| Douglasville to Targovishte | 5,579.69 mi (8,979.64 km) |
| Douglasville to Teteven | 5,501.11 mi (8,853.18 km) |
| Douglasville to Troyan | 5,520.68 mi (8,884.67 km) |
| Douglasville to Tryavna | 5,552.86 mi (8,936.47 km) |
| Douglasville to Tutrakan | 5,546.79 mi (8,926.70 km) |
| Douglasville to Varna | 5,633.52 mi (9,066.27 km) |
