180 miles
Toronto is located on the shore of Lake Ontario, one of the Great Lakes.
Lake Ontario is bordered by both Ontario Canada and New York State. Lake Ontario is one of the 5 Great Lakes (Lake Ontario, Lake Huron, Lake Erie, Lake Michigan and Lake Superior)
The question is a little misleading. It's like asking which is closer to New Hampshire, Boston or Massachusetts? Ontario directly borders the US. Toronto, a city in Ontario, is about 30 miles from the US (a bit less if you count the international border in the middle of Lake Ontario).
Lake Ontario.
New York borders two of the Great Lakes, Lake Ontario and Lake Erie.
Lake Ontario is East of Lake Michigan.
Plattsburgh=)
Lake Ontario
Lake Ontario and lake Erie is the Great Lakes located in the Northeast.
they are all in Ontario
Lake Erie is a "neighbor" of lake Ontario