| Whitehall to Smolyan | 5,205.16 mi (8,376.89 km) |
| Whitehall to Sofia | 5,101.69 mi (8,210.37 km) |
| Whitehall to Sopot | 5,158.88 mi (8,302.41 km) |
| Whitehall to Sozopol | 5,281.89 mi (8,500.38 km) |
| Whitehall to Sredets | 5,266.12 mi (8,475.00 km) |
| Whitehall to Stamboliyski | 5,173.81 mi (8,326.44 km) |
| Whitehall to Stara Zagora | 5,203.27 mi (8,373.85 km) |
| Whitehall to Svilengrad | 5,254.91 mi (8,456.95 km) |
| Whitehall to Svishtov | 5,138.09 mi (8,268.96 km) |
| Whitehall to Targovishte | 5,201.31 mi (8,370.70 km) |
| Whitehall to Teteven | 5,128.28 mi (8,253.16 km) |
| Whitehall to Troyan | 5,147.08 mi (8,283.42 km) |
| Whitehall to Tryavna | 5,177.79 mi (8,332.85 km) |
| Whitehall to Tutrakan | 5,165.87 mi (8,313.66 km) |
| Whitehall to Varna | 5,252.71 mi (8,453.41 km) |
