Do you consider Sao Polo to be in north America because Johannesburg is more southern?
People don’t realize how far north most of Europe is because of its very temperate climate powered by the golf stream.
Everything from the English Channel up to the Baltics should be much much colder than it is.
The daily mean temperature in London is around 6c in January vs lower than -8c in Calgary.
The record low temperatures in London are higher than the mean daily minimum in Calgary.
Besides the impact on things like farming the infrastructure of many European cities isn’t built to withstand the winters it may have in a few decades.
You can't compare a coastal city with an average elevation of like 10 meters and an inland city perched more than 1000m above sea...
Most of it should be all called Northern Europe and North of Northern Europe.
Paris sits between Vancouver and Seattle.
London is the same latitude as Calgary.
Hamburg is at the same latitude as Edmonton.
If the golf stream slows downs or gets diverted north towards Greenland much of Europe will freeze.