How long does it take from Guangyuan to Wangcang at a speed of 150km?

Forty minutes. Baidu map shows that Guangyuan City, formerly Mingli Prefecture, is a prefecture-level city under the jurisdiction of Sichuan Province, bordering Gansu Province and Shaanxi Province in the north. Wangcang county belongs to Guangyuan City, Sichuan Province, located in the northern edge of Sichuan Basin, at the southern foot of Micang Mountain, and adjacent to Nanjiang County, Bazhong City in the east. Guangyuan to Wangcang is 64 kilometers, with a speed of 150 kilometers per hour, and it takes 40 minutes to arrive.