I have a WCF service how to consume it in WPF application

Question

I need a WPF application which must consume a WCF service for calculating the distance between two location/Places , I am new to WCF and WPF any example is over there please share I am using the following link which shows how to create a WCF service but i do not know how to consume it in WPF application .

 

 

https://thetechhunter.wordpress.com/tag/calculate-driving-distance-road-distance-using-bing-map-api/

 

Thanks in advance