According to Baidu Encyclopedia, although Datong and Beijing are at the same latitude, Datong is located in the Inner Mongolia Plateau, with an altitude of 1090 m, while Beijing is 43.7 1 m, so Datong is much colder than Beijing, so Datong is 1046.29 m higher than Beijing.
Altitude refers to the vertical distance above sea level at a certain point on the ground. It is the height difference between a place and sea level, and is usually calculated based on the average sea level.