Gmaps Pedometer does wonders for route planning.
http://www.gmap-pedometer.com/
Be sure to elect the cyclist option and it will follow roads for you, and you can get a satellite view of the planned roads.
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. “He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you.”- Fredrick Nietzsche
"We can judge the heart of a man by his treatment of animals." - Immanuel Kant