I'm trying to get driving directions from point A to point B, where both 
points are lat/long coordinates. The problem is that point B is not exactly 
on the road, thus Directions service returns ZERO_RESULTS. I tried to use 
Geocoding service to get approximate coordinates, but Directions service 
still return ZERO_RESULTS.
 
For example:
Point A: (64.31023, -20.30454)
Point B: (64.86663, -19.55013)
 
After a request to Geocoding service Point B becomes: 64.8742508, 
-19.5450184. Less than a mile from the road, but still no driving 
directions. 
 
I tried the same thing on maps.google.com It finds no directions as well, 
until i drag point B marker closer to the road, then it works like a charm.
 
My question: is there a way to get the closest point on a nearby road of a 
point, so that I could navigate close enough to a point I need to be in?

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