North: Canada South: Mexico
seattle
The closest South Viet city to the DMZ was Dong Ha. Past Dong Ha (going north) were firebases A4 and C2, called Con Thien by the US Marines when they were there. Going north past A4 & C2 was the "Z" (DMZ).
Immediately to the north of Connecticut is the state of Massachusetts, and farther north are the US states of New Hampshire, Maine, and Vermont, and the Canadian Province of Quebec.
Raleigh, North Carolina
The USA is located on the North American continent. The continent immediately south of North America is South America.
Toronto is the largest city, in the second largest country on Earth: Canada. Canada is located immediately north of the 'lower 48' states of the US. Toronto is located on the northwestern shore of Lake Ontario, one of North America's five "Great Lakes.
Carson City is in Nevada, in the US, on the continent of North America.
Salt Lake City is the northernmost of the cities listed. It is both the capital and largest city in Utah.
Honolulu, Hawaii
Hilo, Hawaii in the US.
North Carolina.