If the laptop is in flight mode and plugged into a router by cable, I don’t see how location services would find your location.

But there’s a solution to this - test it.

Setup a nomad vpn router. Check your location. I’m sure you can find an app that does it using location services. Next - drive to a friend’s house an hour+ away. Run location app. What does it say?

Make sure your wireguard vpn uses either a home router eg Brume 2, or residential ip, eg StarVPN.

Alberta Canada. I never saw a Roach in two years. Bonus - the whole province is Rat free.

Can’t you just use Anytime Mailbox? They have two in the Netherlands.

https://www.anytimemailbox.com/l/netherlands

Ipostal1 has a Dutch location too.

Ultramobile $3 a month. Owned by Tmobile

https://www.ultramobile.com/paygo/