Next-gen ceramic aircraft batteries could enable 621-mile electric flights
https://interestingengineering.com/energy/next-gen-ceramic-aircraft-batteries-flightsOpen linkView original on piefed.ziphttps://interestingengineering.com/energy/next-gen-ceramic-aircraft-batteries-flightsOpen linkView original on piefed.zip
Not 622 miles, it'll fall out of the sky if you fly a single mile further.
Just another example of excessive precision: 621 miles is 200 metres shy of 1000 kilometres.
With that you could fly Scotland-Iceland-Greenland-Canada.