Florida (24.45° north latitude)
South is Florida. North is Lake of the Woods Minnesota.
The word is contiguous. The 48 contiguous states are the states located on the North America continent that are between Canada and Mexico.
The answer for which is farther north( Washington or Oregon.) is Washington
In the contiguous 48 states, Minnesota extends slightly farther north than other western states (Washington, Idaho, Montana, North Dakota).The farthest south is Florida, where the Keys extend below 25°N latitude, the approximate southern limit of Texas.
In the United States Maine is the farthest state north on the main land. Alaska is the farthest state north in North America.
The word is contiguous. The 48 contiguous states are the states located on the North America continent that are between Canada and Mexico. Sometimes they are referred to incorrectly as the 'continental' United States. Continental is incorrect because Alaska is also on North America.
The Rocky Mountains
In North America. North of the contiguous United States Of America, east of Alaska, and west of the island of Greenland.
The US state that is furthest south in the continental 48 states is Florida. Hawaii is by far the furthest south of all US states (18 degrees, 55 minutes).
For the 48 contiguous US states, Minnesota extends the farthest north. The Angle Inlet of northern Minnesota at 49°23'N is north of the 49° boundary between the U.S. and Canada. For all 50 US states, Alaska extends the farthest north.
All the states except for Hawaii and Alaska. In other words, the contiguous states of America consists of all the states that touch each other, and Hawaii and Alaska are outside of the happy little circle. But they're still states. :)