Details: Amazon CloudFront announces its first Edge locations in Colombia, Chile, and Argentina. With these Edge locations, viewers within these countries will see an average of 60% improvement in latency when accessing content through CloudFront. In addition, effective November 1st 2019, CloudFront will reduce the pricing for on-demand data transfer by up to 56% in South America. You can refer to the new South America pricing on the CloudFront pricing page. CloudFront now has 200 Points of Presence in 77 cities across 37 countries. Here is a blog from Jeff Barr about this launch.
from Recent Announcements https://aws.amazon.com/about-aws/whats-new/2019/10/cloudfront-south-america-200-edge-location/