Here are a few suggestions for your next trip from Vladimir Pavlov

In 2 hours, you can reach Burgas, Stara Zagora, Sliven.

In 3 hours, you can reach Shumen.

In 4 hours, you can reach Plovdiv, Varna.

In 5 hours, you can reach Haskovo, Veliko Tŭrnovo.

In 6 hours, you can reach Sofia, Dobrich.

In 7 hours, you can reach Ruse, Pleven.

In 8 hours, you can reach Pernik.