I see we've got a pattern going here.
And here it ends! As a former Spanish teacher I can almost certainly say that there aren't any cities that I know of in South/Latin America that begin with a "W". W is only used in words of foreign origin. I couldn't find any but maybe they exist.
Walla Walla, Washington
York Beach, Maine
"At the beach, life is different. Time doesn't move hour to hour but mood to moment. We live by the currents, plan by the tides, and follow the sun." - anonymous