Wikipedia says 358 feet
Montreal is about at 500 feet, above sea level
At its lowest point, along the waterfront, Toronto is 76.5 meters above sea level. At its highest point, it's 209 metres above sea level. http://www.toronto.ca/toronto_facts/geography.htm
Colorado is an average of 6,800 feet above sea level..
There is no sea in Nashville. However, if you mean the elevation, then it is 591 ft.