It seems about right, I've done the trip from Barcelona to Madrid, it took six hours.

Now let’s see one by train from those same cities.

Istanbul is not a capital city. Capital of Turkey is Ankara. Obligatory: Erdogan is a fucking twat

Do that in Australia and you're possibly in the next state

By the way: This "how far can I get from a specific point within time xy?" is called isochrones.

Very interesting when you move somewhere and want to know what's in range.

Istanbul is not a capital... someone already said it.

What's with this Mercator projection? GB is giant.

No german city pictured because infinite -10% is still infinite

Do a lot of Europeans stay 10% under the speed limit? Because that sure as hell ain't the case in America.

Now do public transport (not @ OP, just stating a desire for a railway+bus+foot alternative