Contrary to how standard zone based award charts fall apart in short distances (like the LAX - LAS example above),
distance based programs excel in short - medium range flights.
You can also earn more miles, because ANA is still
a distance based program, rather than revenue based (like United).
British Airways Avios is
a distance based program and the best use of Avios is for short to mid-haul flights.
Use
each distance based program's award chart to figure out the prices to the Caribbean for your specific itinerary.
However, the 50 % bonus transfer they continually run makes it a no - brainer, despite the fact that it's
a distance based program.