A company serves a multilingual website from a fleet of Amazon EC2 instances behind an Application Load Balancer (ALB). This architecture is currently running i...

A company serves a multilingual website from a fleet of Amazon EC2 instances behind an Application Load Balancer (ALB). This architecture is currently running in the us-west-1 Region but is exhibiting high request latency for users located in other parts of the world.
The website needs to serve requests quickly and efficiently regardless of a user's __cpLocation. However, the company does not want to recreate the existing architecture across multiple Regions.
How should a solutions architect accomplish this?