| Wooburn to Smolyan | 1,379.28 mi (2,219.74 km) |
| Wooburn to Sofia | 1,276.51 mi (2,054.35 km) |
| Wooburn to Sopot | 1,336.44 mi (2,150.80 km) |
| Wooburn to Sozopol | 1,467.69 mi (2,362.02 km) |
| Wooburn to Sredets | 1,449.60 mi (2,332.91 km) |
| Wooburn to Stamboliyski | 1,349.06 mi (2,171.11 km) |
| Wooburn to Stara Zagora | 1,382.23 mi (2,224.49 km) |
| Wooburn to Svilengrad | 1,432.42 mi (2,305.26 km) |
| Wooburn to Svishtov | 1,322.90 mi (2,129.00 km) |
| Wooburn to Targovishte | 1,388.40 mi (2,234.41 km) |
| Wooburn to Teteven | 1,305.78 mi (2,101.45 km) |
| Wooburn to Troyan | 1,325.59 mi (2,133.34 km) |
| Wooburn to Tryavna | 1,358.51 mi (2,186.31 km) |
| Wooburn to Tutrakan | 1,359.62 mi (2,188.09 km) |
| Wooburn to Varna | 1,445.46 mi (2,326.25 km) |
