| Bowdon to Smolyan | 1,489.75 mi (2,397.52 km) |
| Bowdon to Sofia | 1,386.01 mi (2,230.57 km) |
| Bowdon to Sopot | 1,442.98 mi (2,322.25 km) |
| Bowdon to Sozopol | 1,568.77 mi (2,524.69 km) |
| Bowdon to Sredets | 1,551.99 mi (2,497.68 km) |
| Bowdon to Stamboliyski | 1,457.98 mi (2,346.39 km) |
| Bowdon to Stara Zagora | 1,487.62 mi (2,394.09 km) |
| Bowdon to Svilengrad | 1,539.03 mi (2,476.84 km) |
| Bowdon to Svishtov | 1,424.28 mi (2,292.15 km) |
| Bowdon to Targovishte | 1,488.61 mi (2,395.69 km) |
| Bowdon to Teteven | 1,412.37 mi (2,272.98 km) |
| Bowdon to Troyan | 1,431.31 mi (2,303.47 km) |
| Bowdon to Tryavna | 1,462.58 mi (2,353.79 km) |
| Bowdon to Tutrakan | 1,456.41 mi (2,343.87 km) |
| Bowdon to Varna | 1,542.99 mi (2,483.20 km) |
