I saw a cargo flight going from LAX to Ontario, California which looks like ~80km/50mi distance, which seems crazy to me.
I don't live in Europe, but I was there earlier this year going from Amsterdam to Paris. That's 430km/260mi direct from what I can find. I took the train, it took 3.5 hours, direct from central Amsterdam to central Paris, and no security theatre. And I had leg room!
The train is a superior experience to flying in pretty much every way, the challenge is often cost - trains can be more expensive. And, of course, this is really only possible because flying doesn't have its externalities priced in.
I don't live in Europe, but I was there earlier this year going from Amsterdam to Paris. That's 430km/260mi direct from what I can find. I took the train, it took 3.5 hours, direct from central Amsterdam to central Paris, and no security theatre. And I had leg room!