| Astorp to Smolyan | 1,134.95 mi (1,826.52 km) |
| Astorp to Sofia | 1,036.34 mi (1,667.83 km) |
| Astorp to Sopot | 1,068.92 mi (1,720.27 km) |
| Astorp to Sozopol | 1,152.62 mi (1,854.96 km) |
| Astorp to Sredets | 1,144.19 mi (1,841.40 km) |
| Astorp to Stamboliyski | 1,096.73 mi (1,765.01 km) |
| Astorp to Stara Zagora | 1,102.40 mi (1,774.14 km) |
| Astorp to Svilengrad | 1,156.19 mi (1,860.71 km) |
| Astorp to Svishtov | 1,022.75 mi (1,645.95 km) |
| Astorp to Targovishte | 1,074.65 mi (1,729.48 km) |
| Astorp to Teteven | 1,041.85 mi (1,676.69 km) |
| Astorp to Troyan | 1,053.64 mi (1,695.67 km) |
| Astorp to Tryavna | 1,072.21 mi (1,725.55 km) |
| Astorp to Tutrakan | 1,027.66 mi (1,653.86 km) |
| Astorp to Varna | 1,110.54 mi (1,787.24 km) |
