| Diest to Sofia | 1,031.89 mi (1,660.66 km) |
| Diest to Sopot | 1,089.88 mi (1,753.99 km) |
| Diest to Sozopol | 1,218.54 mi (1,961.05 km) |
| Diest to Sredets | 1,200.98 mi (1,932.78 km) |
| Diest to Stamboliyski | 1,104.05 mi (1,776.79 km) |
| Diest to Stara Zagora | 1,135.03 mi (1,826.66 km) |
| Diest to Svilengrad | 1,185.95 mi (1,908.61 km) |
| Diest to Svishtov | 1,073.78 mi (1,728.08 km) |
| Diest to Targovishte | 1,138.88 mi (1,832.86 km) |
| Diest to Teteven | 1,059.23 mi (1,704.66 km) |
| Diest to Troyan | 1,078.54 mi (1,735.75 km) |
| Diest to Tryavna | 1,110.61 mi (1,787.35 km) |
| Diest to Tutrakan | 1,109.08 mi (1,784.89 km) |
| Diest to Varna | 1,195.15 mi (1,923.41 km) |
| Diest to Veliki Preslav | 1,151.81 mi (1,853.65 km) |
