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

Matches for GCY as three letter airport code or city name

Include	Airport name	Airport code	City	Country
	Greenville Municipal	GCY	Greeneville	United States

Matches for BNA as three letter airport code or city name

Include	Airport name	Airport code	City	Country
	Nashville Airport	BNA	Nashville TN	United States