Understanding the 48 contiguous states list requires looking at the United States map without its outlying territories. This specific grouping refers to the continuous expanse of landmass that forms the core of the nation, excluding Alaska and Hawaii. For travelers, students, and planners, this collection of 48 states represents the primary area of continental connection where borders are shared and highways weave intricate networks.
The Geographic Definition of the Contiguous United States
The term "contiguous" simply means sharing a common border, and this applies directly to the 48 states. These states are connected edge-to-edge, creating a singular landmass that spans the continent from the Atlantic to the Pacific. Within this zone, geographical features vary dramatically, encompassing coastal plains, mountain ranges, and vast interior basins, making the list of 48 a diverse representation of the nation's terrain.
Why Exclude Alaska and Hawaii?
Alaska is separated from the lower 48 by the Canadian province of British Columbia, creating a significant geographical gap. Similarly, Hawaii is an island chain situated in the Pacific Ocean, thousands of miles off the coast of mainland California. Because they are not physically attached, they are excluded from the contiguous definition, which focuses solely on the uninterrupted land connection.
The Complete List of States
The following list details the 48 states in the order they typically appear geographically from north to south and east to west:
New England
Maine
New Hampshire
Vermont
Massachusetts
Rhode Island
Connecticut
New York
New Jersey
Pennsylvania
Delaware
Maryland
District of Columbia
Mid-Atlantic & South
Virginia
West Virginia
North Carolina
South Carolina
Georgia
Florida
Ohio
Michigan
Indiana
Illinois
Wisconsin
Minnesota
Plains & Southwest
Iowa
Missouri
Arkansas
Louisiana
Oklahoma
Texas
Kansas
Nebraska
South Dakota
North Dakota
Montana
Wyoming
Mountain & West
Colorado
New Mexico
Arizona
Nevada
California
Utah
Idaho
Washington
Oregon
Nevada