Documentacion GOOGLE EARTH API

http://www.webintenta.com/Calcular-la-distancia-entre-dos-puntos-con-PHP.html
http://code.google.com/apis/ajax/playground/?exp=earth#draggable_placemark    Code Playground
http://www.gaiagi.com/3d-driving-simulator/index.html
http://kml-samples.googlecode.com/svn/trunk/interactive/index.html#./Touring/Touring.Smooth_flyToMode.kml    KML Interactive Sampler
http://code.google.com/intl/es/apis/earth/documentation/geometries.html        Elementos geométricos y superposiciones
http://code.google.com/intl/es/apis/earth/documentation/balloons.html#div_balloons    Viñetas
http://code.google.com/intl/es/apis/earth/documentation/events.html    Eventos
http://code.google.com/intl/es/apis/earth/articles/earthapikml.html#kmlnetworklink    An Overview of Using KML in the Earth API
http://code.google.com/intl/es/apis/earth/documentation/touring.html    Recorrido