the route takes 75 minutes.

Kunming Metro Line 4 is a subway line spanning six administrative districts in Kunming, with a total length of about 43.422 kilometers. The journey from Chenggong District (Kunming South Railway Station) to downtown (Dashuying Station) takes about 5 minutes, including about 13.3 minutes of stop time.

Kunming Metro Line 4 is the fifth subway line in Kunming, Yunnan Province, China, which started construction on December 3, 215 and was put into trial operation on September 23, 22.