...this country is simply too rugged and unforgiving to attempt a walk home.
I think it would depend on whether it is one of the ways to get back to home and family, or the only way. And our easy familiarity with speeds of 70 mph on the ground and 500 mph in the air grossly affect our thinking of speed/time at 2 mph.
I'm sure you could do it if you had to, but it probably wouldn't be your first choice.
"A journey of a thousand miles begins with a single step." -- Lao-tzu (604 BC - 531 BC)
Sue