| West Drayton to Smolyan | 1,368.33 mi (2,202.11 km) |
| West Drayton to Sofia | 1,265.58 mi (2,036.75 km) |
| West Drayton to Sopot | 1,325.57 mi (2,133.30 km) |
| West Drayton to Sozopol | 1,456.95 mi (2,344.73 km) |
| West Drayton to Sredets | 1,438.83 mi (2,315.57 km) |
| West Drayton to Stamboliyski | 1,338.14 mi (2,153.53 km) |
| West Drayton to Stara Zagora | 1,371.38 mi (2,207.03 km) |
| West Drayton to Svilengrad | 1,421.55 mi (2,287.76 km) |
| West Drayton to Svishtov | 1,312.16 mi (2,111.72 km) |
| West Drayton to Targovishte | 1,377.69 mi (2,217.17 km) |
| West Drayton to Teteven | 1,294.91 mi (2,083.96 km) |
| West Drayton to Troyan | 1,314.74 mi (2,115.87 km) |
| West Drayton to Tryavna | 1,347.69 mi (2,168.91 km) |
| West Drayton to Tutrakan | 1,349.01 mi (2,171.03 km) |
| West Drayton to Varna | 1,434.83 mi (2,309.14 km) |
