Please uncheck any airports you do not want in your selection, and then press the 'Show me how to get from Pvg to Dxb' button at the bottom of the screen.

Matches for PVG as three letter airport code or city name

Include	Airport name	Airport code	City	Country
	Pudong Airport	PVG	Shanghai	China

Matches for DXB as three letter airport code or city name

Include	Airport name	Airport code	City	Country
	Dubai	DXB	Dubai	United Arab Emirates