943.3 kilometers.

1. First, open the map software, and you can choose to use Gaode map or Baidu map.

2. Secondly, enter the starting point Xining and the ending point Mingsha Mountain Crescent Spring in the first page of the map.

3. Finally, click on the navigation to know that the distance is 943.3 kilometers. Just follow the navigation and travel, which takes about 11 hours and 32 minutes.