по линку
http://www.yournavigation.org/api/1.0/gosmore.php?format=kml&flat=52.215676&flon=5.963946&tlat=52.2573&tlon=6.1799&v=motorcar&fast=1&layer=mapnik возвращается отличный KML который на ура "скармливается" планете
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KML Samples
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Unleash your creativity with the help of these examples!
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Paths
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Examples of paths.
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Tessellated
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0
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<![CDATA[If the <tessellate> tag has a value of 1, the line will contour to the underlying terrain]]>
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