I remember seeing an isochrone map of the time it would take to reach different parts of the world in 1900, with London as a start point. I can't remember the a

I remember seeing an isochrone map of the time it would take to reach different parts of the world in 1900, with London as a start point. I can't remember the actual times but it took weeks to get to Australia, and then additional weeks to get into the interior (few road and railways at then). It emphasized that travel to a foreign country, let alone emigrating, was massively more complex than today.