It depends on whether you take a plane or try to swim.One thing that complicates this is that the US government has ... let's call it an antagonistic relationship with the Cuban government. You're not going to find any scheduled flights directly from the US to Cuba. You will need to fly to some third country (Mexico or Canada being the most convenient... given that you're starting in New Hampshire, Toronto would probably be a good option). The US has just started the (probably long) process of normalizing relationships with Cuba, so in the future the embargo may be lifted, and you'll be able to fly directly. That should shorten the trip considerably.
How long does It take to fly from the UK to Bangkok
6hours
how long
www.clubmagalluf.com
it depends on your flight.
1,000,000,00 hours
23 hours
It takes about 8 hours.
14-15 hours
About 10 and a half hours
That will depend on where you are flying from and to. It can take as little as 30 minutes.
it takes nearly 5 hours