Online Mapping Tools
US Track And Field Distance CalculatorThis is a great website. It is a google mash up that lets you zoom in on the regular google map and then click on points that you sailed to. It measures the distance of those points and gives you each individual distance plus it totals up the entire distance travelled.
GPS to GPS distance finder at fcc.gov
GPS to GPS distance finder at chemical-ecology.net
If you have 2 gps coordinates, these websites can tell you the distance between those two coordinates.
