In 2 hours, you can reach Bucharest, Ruse.
In 3 hours, you can reach Ploieşti.
In 4 hours, you can reach Constanţa.
In 5 hours, you can reach Braşov, Veliko Tŭrnovo.
In 6 hours, you can reach Varna, Pleven, Craiova, Galaţi, Shumen.
In 8 hours, you can reach Iaşi, Stara Zagora, Dobrich.