What is the latency between Azure regions?
Find out how to look at latencies between Azure regions
John Savill
June 8, 2017
1 Min Read
![What is the latency between Azure regions? What is the latency between Azure regions?](https://eu-images.contentstack.com/v3/assets/blt07f68461ccd75245/blt406658a7784cc7a4/661cf103069e005fbce2a6f1/azurelogo_4_0_4.jpg?width=1280&auto=webp&quality=95&format=jpg&disable=upscale)
Q. What is the latency between Azure regions?
A. There is no official document that outlines latency between regions however you can perform a test to get a rough idea by using some Azure latency/speed test sites from within an Azure VM in a region.
For example create an IaaS VM in a region, such as South Central US. Then within that VM browse to:
http://www.azurespeed.com/ - Basic latency
http://azurespeedtest.azurewebsites.net/ - Blob storage latency
Since you are running the site from within a region the numbers found are the latency from that region to the other regions. Below is an example of one latency site running from VM in South Central.
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