| West Ham to Smolyan | 1,350.02 mi (2,172.64 km) |
| West Ham to Sofia | 1,247.15 mi (2,007.09 km) |
| West Ham to Sopot | 1,306.87 mi (2,103.20 km) |
| West Ham to Sozopol | 1,437.82 mi (2,313.95 km) |
| West Ham to Sredets | 1,419.80 mi (2,284.94 km) |
| West Ham to Stamboliyski | 1,319.66 mi (2,123.79 km) |
| West Ham to Stara Zagora | 1,352.59 mi (2,176.78 km) |
| West Ham to Svilengrad | 1,402.87 mi (2,257.70 km) |
| West Ham to Svishtov | 1,293.03 mi (2,080.93 km) |
| West Ham to Targovishte | 1,358.48 mi (2,186.26 km) |
| West Ham to Teteven | 1,276.20 mi (2,053.85 km) |
| West Ham to Troyan | 1,295.96 mi (2,085.65 km) |
| West Ham to Tryavna | 1,328.78 mi (2,138.47 km) |
| West Ham to Tutrakan | 1,329.57 mi (2,139.74 km) |
| West Ham to Varna | 1,415.45 mi (2,277.95 km) |
