The isochrone maps are quite beautiful [1], and go beyond the scope and refinement of some earlier human attempts I could find [2][3][4].

[1] https://isochronic-passage-chart.netlify.app/

[2] https://mapitout.welcome-to-nl.nl/

[3] https://commutetimemap.com/

[4] https://andrewding.ca/flightisochrones/