Did you mayhaps mean rangefinder?
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“The Runner's World website has a routefinder with maps and descriptions of runs in various areas, posted by local runners.”
“The handy routefinder is a less-intrusive version of the GPS system seen in”
“Uploaded big online routefinder digi-maps article.”
“Naturally, as one of the most bike friendly places on the planet, Amsterdam has an online routefinder that knocks the socks off most others.”
Looking for tweets for routefinder.