Earlier quoted context omitted.
Two hours of commuting in the south east of the UK is as little as thirty miles each way in the overground part alone. Quite a common commute. Far from a ridiculous one, and if you get a seat, not really very uncomfortable. You can either drive it and do nothing but listen to something relatively simple, or sit in a train and read/work/draw/listen/play games/sleep. (It’s not my commute; I work from home. But I visit…
30 miles is an outrageous commute. To put it another way, there are 2800 square miles of land closer than your job.
However, 30 miles is significantly under the average US commuting distance. And, unless you live and work near an urban downtown, 30 miles probably doesn't get you to a lot of appropriate professional jobs. I live in an exurb outside a major metro and my (nominal) office is the nearest tech job I could physically commute to and it barely squeezes in under 30 miles.