| South Burlington to Smolyan | 4,626.69 mi (7,445.95 km) |
| South Burlington to Sofia | 4,523.51 mi (7,279.89 km) |
| South Burlington to Sopot | 4,581.64 mi (7,373.44 km) |
| South Burlington to Sozopol | 4,706.74 mi (7,574.76 km) |
| South Burlington to Sredets | 4,690.45 mi (7,548.55 km) |
| South Burlington to Stamboliyski | 4,595.83 mi (7,396.27 km) |
| South Burlington to Stara Zagora | 4,626.45 mi (7,445.55 km) |
| South Burlington to Svilengrad | 4,677.72 mi (7,528.06 km) |
| South Burlington to Svishtov | 4,562.55 mi (7,342.72 km) |
| South Burlington to Targovishte | 4,626.31 mi (7,445.33 km) |
| South Burlington to Teteven | 4,551.01 mi (7,324.14 km) |
| South Burlington to Troyan | 4,570.10 mi (7,354.87 km) |
| South Burlington to Tryavna | 4,601.39 mi (7,405.23 km) |
| South Burlington to Tutrakan | 4,592.04 mi (7,390.17 km) |
| South Burlington to Varna | 4,678.86 mi (7,529.89 km) |
