How get plane los angeles to Hunan province

Hunan is a large province in China. It contains many cities.
Do you want to go Changsha, the capital city of the province?
If yes, you are suggested to take a flight to Shanghai Pudong International Airport first. Then transfer the flight to CS.
This is the easilest way for you to choose.

If you wish to take train, go to Shanghai HongQiao Railway Station to catch a high-speed train to reach in around 5h.

Thank you very helpful