| Bilzen to Sofia | 1,010.12 mi (1,625.64 km) |
| Bilzen to Sopot | 1,068.05 mi (1,718.87 km) |
| Bilzen to Sozopol | 1,196.70 mi (1,925.91 km) |
| Bilzen to Sredets | 1,179.13 mi (1,897.63 km) |
| Bilzen to Stamboliyski | 1,082.27 mi (1,741.74 km) |
| Bilzen to Stara Zagora | 1,113.20 mi (1,791.52 km) |
| Bilzen to Svilengrad | 1,164.13 mi (1,873.49 km) |
| Bilzen to Svishtov | 1,051.94 mi (1,692.94 km) |
| Bilzen to Targovishte | 1,117.06 mi (1,797.73 km) |
| Bilzen to Teteven | 1,037.40 mi (1,669.54 km) |
| Bilzen to Troyan | 1,056.71 mi (1,700.61 km) |
| Bilzen to Tryavna | 1,088.76 mi (1,752.20 km) |
| Bilzen to Tutrakan | 1,087.31 mi (1,749.85 km) |
| Bilzen to Varna | 1,173.36 mi (1,888.35 km) |
| Bilzen to Veliki Preslav | 1,129.98 mi (1,818.53 km) |
