British Columbia is the Canadian province farthest West.
The USA contains Alaska which is located west of Canada.
Puerto Rico is the farthest east of all the West Indies countries
Guatemala is the Central American country farthest to the west.
The island is Puerto Rico.
Iceland is the farthest west of European nations.
Iceland
The nation that is furthest west on the continent of Europe is Portugal. However, Iceland is further west but is an island. It has been traditionally part of Europe.
If by "left-most" you mean looking down at a map, the farthest WEST is Iceland by technicality, although it is not a member of the EU, it is on the European continental shelf, the farthest West in countries which touch is Portugal, and the farthest West in the generally accepted European cluster is Ireland.
spain
ICELAND
It is the farthest west in continental U.S.A.
The Kingdom of Morocco is located at the western end of North Africa. Known to the Arabs as al-Maghreb al-Aqsa, or βthe farthest west,β it was the center of Berber Islamic.
What is now Senegal.
argentina
Those coordinates are in the Atlantic Ocean. The nearest country to them would be Iceland.
First European nation to send explorers around the west coast of africa? He does that to every question he see's^ But the answer is: The Portuguese.