50 kilometers. According to Baidu map query, Hongya County is located in the triangle of Chengdu, Leshan and Ya 'an, and belongs to Meishan City. Ya 'an City is located in the prefecture-level city of Sichuan Province, on the western edge of Sichuan Basin, also known as Rain City. The distance between the two places is 50 kilometers, and it takes 45 minutes to drive from Hongya to Ya 'an, passing through Chengdu-Chongqing Ring Expressway.