| Belas to Smolyan | 1,792.16 mi (2,884.20 km) |
| Belas to Sofia | 1,717.26 mi (2,763.66 km) |
| Belas to Sopot | 1,789.47 mi (2,879.88 km) |
| Belas to Sozopol | 1,940.43 mi (3,122.81 km) |
| Belas to Sredets | 1,915.42 mi (3,082.56 km) |
| Belas to Stamboliyski | 1,780.59 mi (2,865.59 km) |
| Belas to Stara Zagora | 1,836.11 mi (2,954.94 km) |
| Belas to Svilengrad | 1,868.05 mi (3,006.33 km) |
| Belas to Svishtov | 1,817.15 mi (2,924.41 km) |
| Belas to Targovishte | 1,879.93 mi (3,025.46 km) |
| Belas to Teteven | 1,764.16 mi (2,839.14 km) |
| Belas to Troyan | 1,787.01 mi (2,875.92 km) |
| Belas to Tryavna | 1,826.68 mi (2,939.76 km) |
| Belas to Tutrakan | 1,879.54 mi (3,024.82 km) |
| Belas to Varna | 1,947.08 mi (3,133.52 km) |
