110 miles
The distance between Oliver, British Columbia, Canada and Spokane, Washington is about 200 miles. It should take about 4 hours for this trip provided that border crossing is not backed up.
The US and Canada border each other, so it would depend on where you start from and where you go to.
New Hampshire shares a border with Canada.
716 kilometres
819 miles, according to AAA. It's about the same distance whether you enter Canada from the Detroit/Windsor border or the Buffalo/Niagara Fall border, but Niagara Falls is nicer.
about 560 miles
Depends on where you start in Ohio and where you are going in Canada. Border to border is about 1 hour.
Cincinnati is on the border of Kentucky so there is no distance at all between Cincinnati and the Kentucky border.
At 8891 km, the border between Canada and the USA is the longest between any two countries, but a major section of that border (with Alaska) is not contiguous with the rest. The longest contiguous section of border between two countries in the world is between Russia and Kazakhstan, at 6846 km.
The distance between Saskatchewan and Ontario is approximately 1325.46 miles.
The shortest distance from border to border is 340 miles.
The distance between Stowe, Vermont, and the Canadian border is about 50 miles.