About 66.6 kilometers. According to Baidu map, the journey from Nanyang to Nanzhao is about 66.6 kilometers, which takes about 1 hour and 36 minutes. After 20 traffic lights and S333 and Wuhai lines, Nanyang can also take a bus from K3 to S202 to Nanzhao 65,438+0, which takes about 2 hours and 48 minutes and the journey is about 77.5 kilometers.