Distance between points

url1="https://maps.googleapis.com/maps/api/distancematrix/json?origins=+"+current_user.enderecos.collect(&:cep)[0]
          url2="&destinations=+"+loja.cep
          url3="&mode=bicycling&language=pt-BR&key=AIzaSyBRADWHRl0s_0eIXx7YJL9nwDsjaYGF-iU"
          url = url1+url2+url3
          require 'net/http'
          require 'json'
          result = Net::HTTP.get(URI.parse(url))
          json = JSON.parse(result)
          reviews = json['rows']
          reviews[0].to_s.split('=>')[3].split('"')[1]