I been there so many times....the ABC islands we called them. Must have some coins around here somewhere...
From Aruba, we can make a straight line to the US Virgin Islands, which up to 1917 were the Danish West Indies. Here's a 12 skilling from 1767:
Probably a 1000 miles north but with nothing in between. From Bermuda it is probably possible to go to almost any country in the Atlantic.
From the Azores across the ocean to Portugal: Portugal Ceitil Alphonso V 1438-1481 (Alfonso V) Very thin copper coin 20mm, 1.70gm A ceitil was 1/6 of a real.