LGA is conveniently located just a 20 minute drive from Greenpoint.
Depending on traffic, JFK is 45+ minutes away from Greenpoint. We recommend allowing for extra travel time if flying into JFK.
Grand Central is located in Midtown, Manhattan, which is about a 15 minute drive to Greenpoint. The Metro North runs to various New York and Connecticut towns.
Penn Station is located in Chelsea, Manhattan which is about a 25 minute drive to Greenpoint. If you are familiar with the subway system, note that only one line runs to Greenpoint (the G!)