Travel by land/sea is WAY more expensive and WAAAAAY more time-consuming than flying. If you can't deal with a relatively short flight where there's a chance that a child might make some noise, I'd recommend YOU take the land or sea route. Much more comfortable, please enjoy.
A. Literally all of those High Speed Rail fantasy maps are just superimposed on existing routes.
B. You do realize that makes taking the kid on the plane even worse right, there are passenger ships that travel between the continents.
Travel by land/sea is WAY more expensive and WAAAAAY more time-consuming than flying. If you can't deal with a relatively short flight where there's a chance that a child might make some noise, I'd recommend YOU take the land or sea route. Much more comfortable, please enjoy.