I just found the reflector cli tool which can help you manage the mirrorlist in Arch. Just wow, it is so fast to update anything now, it feels like a breeze.

Changing a the mirrorlist (list of update servers) to a nearby located mirror resolves in faster updates. Really amazing!
Quick setup:
bash
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Test mirrors and add the fastest to your mirrorlist:
bash
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You can also use the
--countryflag to specify your country. For example:--country Germany
Refresh package databases:
bash
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Creating a systemd timer to refresh mirrors regularly:
bash
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Speedy!