Range rings in live view seem off


New here so maybe I’m missing something in the settings but the range rings in the live tracker don’t seem accurate for me. They are accurate in skyview.

The settings seem to be in nautical miles, I have them set at 4 rings at 50Nm spacing and centred on my location but they are off by a long way. I thought they might’ve been in statute miles but that doesn’t add up either.

Am I missing something obvious??