| Zaventem to Sofia | 1,051.74 mi (1,692.61 km) |
| Zaventem to Sopot | 1,110.41 mi (1,787.03 km) |
| Zaventem to Sozopol | 1,240.16 mi (1,995.84 km) |
| Zaventem to Sredets | 1,222.35 mi (1,967.19 km) |
| Zaventem to Stamboliyski | 1,124.05 mi (1,808.98 km) |
| Zaventem to Stara Zagora | 1,155.81 mi (1,860.10 km) |
| Zaventem to Svilengrad | 1,206.47 mi (1,941.63 km) |
| Zaventem to Svishtov | 1,095.37 mi (1,762.83 km) |
| Zaventem to Targovishte | 1,160.68 mi (1,867.93 km) |
| Zaventem to Teteven | 1,079.75 mi (1,737.69 km) |
| Zaventem to Troyan | 1,099.26 mi (1,769.08 km) |
| Zaventem to Tryavna | 1,131.66 mi (1,821.23 km) |
| Zaventem to Tutrakan | 1,131.48 mi (1,820.93 km) |
| Zaventem to Varna | 1,217.40 mi (1,959.22 km) |
| Zaventem to Veliki Preslav | 1,173.63 mi (1,888.77 km) |
