Originally Posted by
MrHalliday
FWIW, over the decades I have taken trains
from Eastern Isaan to BKK, BKK to Chiang Mai,
BKK to Hua Hin, and BKK to SIN.
A bit fun, sometimes a bit tiring, sure.
I also have flown much the same routes.
I think the train is a good choice
if you have some time for the journey,
as well as the destination.
Other than the BKK-SIN train part I've done the same. If you need to be there quickly then fly, if you have the time the train is often, though not always, an enjoyable escapade.