| Islington to Smolyan | 1,354.71 mi (2,180.19 km) |
| Islington to Sofia | 1,251.85 mi (2,014.66 km) |
| Islington to Sopot | 1,311.60 mi (2,110.82 km) |
| Islington to Sozopol | 1,442.59 mi (2,321.63 km) |
| Islington to Sredets | 1,424.56 mi (2,292.61 km) |
| Islington to Stamboliyski | 1,324.37 mi (2,131.37 km) |
| Islington to Stara Zagora | 1,357.33 mi (2,184.41 km) |
| Islington to Svilengrad | 1,407.60 mi (2,265.31 km) |
| Islington to Svishtov | 1,297.80 mi (2,088.61 km) |
| Islington to Targovishte | 1,363.26 mi (2,193.96 km) |
| Islington to Teteven | 1,280.94 mi (2,061.47 km) |
| Islington to Troyan | 1,300.70 mi (2,093.28 km) |
| Islington to Tryavna | 1,333.54 mi (2,146.12 km) |
| Islington to Tutrakan | 1,334.37 mi (2,147.46 km) |
| Islington to Varna | 1,420.24 mi (2,285.66 km) |
