Actually I used a program called Automap. It's no GPS, but it does calculate mileage based on highway routes between cities. I use it as a general reference and then make it up as I go along... YMMV, literally. Ed Kellock QCUSA Member #2882 Lansing, IA 91 200qw - Indigo blue, titanium leather 87 gt coupe - Alpine white, white leather, TSW Evo's