| London to Smolyan | 1,354.81 mi (2,180.35 km) |
| London to Sofia | 1,251.99 mi (2,014.88 km) |
| London to Sopot | 1,311.83 mi (2,111.18 km) |
| London to Sozopol | 1,442.97 mi (2,322.24 km) |
| London to Sredets | 1,424.90 mi (2,293.16 km) |
| London to Stamboliyski | 1,324.52 mi (2,131.62 km) |
| London to Stara Zagora | 1,357.59 mi (2,184.83 km) |
| London to Svilengrad | 1,407.82 mi (2,265.66 km) |
| London to Svishtov | 1,298.18 mi (2,089.22 km) |
| London to Targovishte | 1,363.67 mi (2,194.61 km) |
| London to Teteven | 1,281.17 mi (2,061.84 km) |
| London to Troyan | 1,300.95 mi (2,093.68 km) |
| London to Tryavna | 1,333.83 mi (2,146.60 km) |
| London to Tutrakan | 1,334.87 mi (2,148.27 km) |
| London to Varna | 1,420.72 mi (2,286.43 km) |
