If you invent a flying boat and try it out let me know the answer. Of course it will depend on where in America you leave from. A lot would also depend on the size of the craft and the power of it's engine.
from a week to a month.
about 5 hours
1,999,000 1,999,000
about 6 weeks
6 months
Year or 2
it took french immigrants forty (40) days to get to America by boat.
It depends on the type of boat that you are using.
In the early 1900s about 7-14 days
A boat can travel between Australia and New Zealand, but it will need to be fully deep ocean capable.
A boat takes approximately two weeks to travel from America to India. Boat is not a common mode of travel between these two countries because there are planes now.
around a 7 - 11 days