| Ilford to Smolyan | 1,347.48 mi (2,168.55 km) |
| Ilford to Sofia | 1,244.57 mi (2,002.94 km) |
| Ilford to Sopot | 1,304.20 mi (2,098.91 km) |
| Ilford to Sozopol | 1,435.02 mi (2,309.44 km) |
| Ilford to Sredets | 1,417.03 mi (2,280.48 km) |
| Ilford to Stamboliyski | 1,317.07 mi (2,119.62 km) |
| Ilford to Stara Zagora | 1,349.90 mi (2,172.45 km) |
| Ilford to Svilengrad | 1,400.21 mi (2,253.42 km) |
| Ilford to Svishtov | 1,290.22 mi (2,076.41 km) |
| Ilford to Targovishte | 1,355.65 mi (2,181.71 km) |
| Ilford to Teteven | 1,273.54 mi (2,049.57 km) |
| Ilford to Troyan | 1,293.28 mi (2,081.33 km) |
| Ilford to Tryavna | 1,326.05 mi (2,134.07 km) |
| Ilford to Tutrakan | 1,326.66 mi (2,135.05 km) |
| Ilford to Varna | 1,412.56 mi (2,273.29 km) |
