Check out the following website I came across today.
http://www.freemaptools.com/how-far-can-i-travel.htm
It does much more than drawing a radius on a map, because as we know, as the crow flies, does not translate to highway miles. Instead this website allows you to enter an address and then say how far BY ROAD one can drive say 30 miles, therefore giving you a 60 mile round trip (if you can't charge at your destination).
Now if they would adjust the algorithm to reduce total distance according to speed, then we'd have the perfect EV trip calculator. I found the map generated very interesting, some places I thought would eb easy to get to aren't, and others I thought would be 'too far' are quite possible.
Options I chose were
(1) followed by (2b)
It seems to be written by someone in the UK, but it works for US maps just fine.
Now if the nav system in the LEAF could do this then we would have something "
Em: http://www.mynissanleaf.com/viewtopic.php?f=31&t=5267