From Plovdiv bus to Central Bus Station Sofia then bus to Ruse. 7hrs 26min 43. From Plovdiv Bus to Stara Zagora then Bus to Ruse. 7hrs 30min 25. From Plovdiv bus to Stara Zagora, train to Gorna Orjahovica, then train to Ruse(BG). 8hrs 20min 22. From Plovdiv taxi to Ruse. 6hrs 11min 241.