Hello
I see that Tixati is able to see the countries of the sending and receiving countries, there is a setting that allows you to set the priority of some countries over others. My ISP is very slow with other countries, it often takes a very long time to find a fast distributor

I don't think so.
iirc Azureus (now BiglyBT) networking automatically prefers peers that are 'close' based on the ping thus achieving exactly what you want.

Thank you! I'll try BiglyBT, hopefully Tixati will have such a feature.