Stewart International Airport (SWF) : Turn left onto E Main St. Travel 1.3 miles and turn left onto Crystal Run Crossing. Use the left 2 lanes to turn left onto the US-17 W ramp to I 84. Merge onto NY-17 W. Take exit 121E for 1-84E toward Newburgh. Travel 14 miles to exit 5A for NY-747/International Blvd toward Stewart Airport. Use the left 2 lanes to turn left onto NY-747 S/International Blvd.