5,10,15,1
Is this a Math sequence? Can a function be developed to guess the zero?
5,10,15,1,6,11,0
150 Mile radius outside of Alexandria VA. Lorton house was sold, so I'm assuming Alexandria
yellow circles are airports. Lots of them.
BWI (Baltimore)
DCA (Reagan)
IAD (Dulles)
PHL (Philadelphia)
That's about it. The only issue is any airport listed you could go, say to JFK, leaving the 150 mile radius and grabbing a flight overseas.