Our position is latitude 40 degrees north.

我们的置是北40。

This city is close to the fortieth parallel of north latitude.

这个城市靠近北40。

Located at 30 degrees north latitude, expressway and high-class highways connect Pingle with the urban area of Chengdu, 93 km away.

于北30°线上的平乐古镇距离成都市区93公里，主为高速公路及高等级公路。