| Chelsfield to Smolyan | 1,340.89 mi (2,157.95 km) |
| Chelsfield to Sofia | 1,238.15 mi (1,992.62 km) |
| Chelsfield to Sopot | 1,298.19 mi (2,089.23 km) |
| Chelsfield to Sozopol | 1,429.71 mi (2,300.90 km) |
| Chelsfield to Sredets | 1,411.55 mi (2,271.67 km) |
| Chelsfield to Stamboliyski | 1,310.72 mi (2,109.40 km) |
| Chelsfield to Stara Zagora | 1,344.03 mi (2,163.00 km) |
| Chelsfield to Svilengrad | 1,394.16 mi (2,243.68 km) |
| Chelsfield to Svishtov | 1,284.93 mi (2,067.89 km) |
| Chelsfield to Targovishte | 1,350.49 mi (2,173.40 km) |
| Chelsfield to Teteven | 1,267.53 mi (2,039.89 km) |
| Chelsfield to Troyan | 1,287.38 mi (2,071.84 km) |
| Chelsfield to Tryavna | 1,320.37 mi (2,124.93 km) |
| Chelsfield to Tutrakan | 1,321.96 mi (2,127.49 km) |
| Chelsfield to Varna | 1,407.73 mi (2,265.53 km) |
