Of course, by comparing two similar infrastructures, the one closest to the% of the user's% is expected to respond faster.
For AWS web applications in general (not real time), is the difference between regions significant?
I wonder why I'd like to use CloudFoundry to deploy my apps, but I only see it available via the US-East region. I'm afraid my application will be slow because it would be restricted to users in Brazil.
It depends a lot on your application, in any case, here are some resources to evaluate better:
You can use the link to estimate the latency of your local network to the AWS regions.
In addition to the latency, consider also that the price and availability of services is different by region.
With Amazon CloudFront you can get the best price and the best latency. Consider using the American region and global presence points for content distribution.
