Hi… Unfortunately, this doesn’t always guarantee direct routing. Here are a few quick pointers on that topic…
https://community.fly.io/t/fly-io-instance-response-times/23460/21
https://community.fly.io/t/being-routed-to-very-far-edge-instance/22121/13
https://community.fly.io/t/how-is-edge-routing-determined/9608/7
If you post traceroutes and flyio-debug headers, they often can improve things, though.
Hope this helps a little!