| Asker to Smolyan | 1,399.99 mi (2,253.06 km) |
| Asker to Sofia | 1,303.05 mi (2,097.06 km) |
| Asker to Sopot | 1,332.36 mi (2,144.22 km) |
| Asker to Sozopol | 1,407.63 mi (2,265.36 km) |
| Asker to Sredets | 1,401.01 mi (2,254.70 km) |
| Asker to Stamboliyski | 1,361.45 mi (2,191.04 km) |
| Asker to Stara Zagora | 1,363.75 mi (2,194.74 km) |
| Asker to Svilengrad | 1,417.16 mi (2,280.69 km) |
| Asker to Svishtov | 1,282.71 mi (2,064.33 km) |
| Asker to Targovishte | 1,331.44 mi (2,142.75 km) |
| Asker to Teteven | 1,306.11 mi (2,101.98 km) |
| Asker to Troyan | 1,316.80 mi (2,119.18 km) |
| Asker to Tryavna | 1,333.20 mi (2,145.59 km) |
| Asker to Tutrakan | 1,282.30 mi (2,063.66 km) |
| Asker to Varna | 1,362.74 mi (2,193.12 km) |
