Numbers worth quoting, Same VM, different region
×2.1
On Azure, the same VM costs 2.1 times as much in its dearest region as in its cheapest, at the median across 1,401 VM types.
For each VM type sold in five or more regions: the dearest on-demand Linux price ÷ the cheapest. The median across types, per cloud; the cloud with the widest median is shown.
Source: Azure retail prices. Based on 1,401 data points.