| Woburn to Smolyan | 4,623.70 mi (7,441.13 km) |
| Woburn to Sofia | 4,521.36 mi (7,276.42 km) |
| Woburn to Sopot | 4,581.45 mi (7,373.14 km) |
| Woburn to Sozopol | 4,710.38 mi (7,580.62 km) |
| Woburn to Sredets | 4,693.17 mi (7,552.92 km) |
| Woburn to Stamboliyski | 4,593.99 mi (7,393.31 km) |
| Woburn to Stara Zagora | 4,627.05 mi (7,446.51 km) |
| Woburn to Svilengrad | 4,677.46 mi (7,527.65 km) |
| Woburn to Svishtov | 4,565.73 mi (7,347.84 km) |
| Woburn to Targovishte | 4,630.37 mi (7,451.86 km) |
| Woburn to Teteven | 4,550.79 mi (7,323.79 km) |
| Woburn to Troyan | 4,570.46 mi (7,355.45 km) |
| Woburn to Tryavna | 4,602.87 mi (7,407.61 km) |
| Woburn to Tutrakan | 4,598.17 mi (7,400.05 km) |
| Woburn to Varna | 4,684.82 mi (7,539.48 km) |
