The shortest (fastest) road trip visiting all EU countries, find the errors
This is the fastest route I can find passing through at least one town in each EU countries using only roads and public ferries. You are allowed to travel through non-EU countries where that's faster.
Google Maps puts the route at 10,525 km and 135 hours of driving. Staying inside the speed limit, and using a van full of supplies with multiple rotating drivers so your only stops are for fuel you should be able to get close to that number, visiting all 27 EU countries well within six days.
...is what I was going to say, but as I post this I realize there's two errors in this map, a hard to spot minor error and a major error that leaves me unsure about basically anything in it. So I'm posting it as a puzzle instead. What's wrong with this plan to visit all EU countries?
Bonus points if you post your own attempt at this route fixing the errors.
Inspired by this similar post about US states: https://www.reddit.com/r/MapPorn/comments/1uzqunv/the_shortest_driving_route_through_all_48/
EDIT, the solution: Lots of people playing, thank you! Lots of people found the major error that Malta is missing. u/Wolf-Majestic was the first person who caught that Croatia was also missed. And several people found a bonus problem: the legal situation in Cyprus* makes the route pictured essentially impossible. You'd need to take a much rarer and less regular ferry to Greece. Well done!
*Wrote Malta there on accident, thanks for the correction.