Flying Out of Westchester County Airport (HPN): The CT & NY Executive Travel Guide Located right on the border of White Plains, NY, and Greenwich, CT, Westchester County Airport (HPN) has quietly become the preferred travel hub for executives, private jet travelers, and suburban families across Fairfield and Westchester Counties. Travel Metric Westchester County Airport (HPN) John F. Kennedy International (JFK) Proximity to Greenwich/Stamford 15–30 Minutes 60–120 Minutes Term