CODEWITHSUNDEEP
ruby-on-railsrubygeocodinggoogle-geocoding-api
eoy
eoy

Reputation: 452

How do I calculate the distance by road between two geographic locations using Ruby(on Rails)?

I have set up a system that calculates the distance between two locations using http://www.rubygeocoder.com/, however, to be able to calculate the (tax-deductible) kilometer-costs (e.g travel compensation) I would need to get distance by road, for example by using Google.

How is this best done?

Upvotes: 3

Views: 3116

Answers (1)

Billy Monk
Billy Monk

Reputation: 543

You can use https://developers.google.com/maps/documentation/directions/.

For example a request to:

http://maps.googleapis.com/maps/api/directions/json?origin=Toronto&destination=Montreal&sensor=false

will get you the directions from Toronto to Montreal and along with it the total distance.

https://github.com/apneadiving/Google-Maps-for-Rails wraps the directions API so you might find that it makes your life easier. You might also find that it is overkill in this case since we're only talking about a single request.

Upvotes: 5

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