How long is the external border of the #Schengen area?

Plus points for guessing the percentage of land vs sea border in the comments.

#EPSOprep #EU #Europe #geography #quiz

500 000 km
100 000 km
50 000 km
don’t know
Poll ends at .

The correct answer according to the Schengen brochure on the EU website is 50 000km, with 20% land and 80% sea border.
I realised this question can be tricky though, because of how the granularity measuring borders can differ.
Source: https://op.europa.eu/en/publication-detail/-/publication/80ecdde3-f58f-11ef-b7db-01aa75ed71a1/language-en?WT.mc_id=Selectedpublications&WT.ria_c=41957&WT.ria_f=9780&WT.ria_ev=search&WT.URL=https%3A%2F%2Fop.europa.eu%2Fen%2Fweb%2Fgeneral-publications%2Feucareersmaterial

#EPSOprep

@hpod16 compared to the border of the Schengen commune, that's a lot πŸ˜