The two countries share a very long border. You could say that a person could stand with one foot in Canada and one in the USA.
Canada
Very Close
Canada
Michigan
Canada and Mexico both border the US. The Caribbean countries as well as the Central American ones are also fairly close.
Most of Canada's urban and industrial growth took place close to the border of the US because of the weather is warmer near the border of the U.S.
because Canada is farther up North then the US that's why many Canadians choose to live close to the us border because mild climate and fertile soil.
Canada, Mexico, Cuba, and the Bahamas are countries that are close to the US.
The sovereign states or countries closest to the US are Canada and Mexico
Canada and Mexico both border the United States of America.
It is a requirement that US presidents be born in the US. So, no US presidents were born in Canada. Chester Arthur was born in Northern Vermont so close to the Canadian border that some people said he was actually born in Canada.
The country directly North of the U.S. is Canada. Canada and the U.S. share a border along the Northern part of the U.S. and the Southern part of Canada.