How Far Apart America’s Extremes Actually Are

The United States spans 5,859 miles between its two farthest points across the 50 states, according to the U.S. Geological Survey. That distance stretches between Florida’s Elliott Key and Hawaii’s Kure Island. Include U.S. territories, and the agency’s longest listed distance jumps to 9,514 miles, connecting the Caribbean with the western Pacific. The country stretches much farther than the familiar distance between Maine and California suggests. Alaska reaches deep into the Arctic, Hawaii extends thousands of miles into the Pacific, and the Aleutian Islands cross the 180th meridian.

Northernmost point in America with whale bones for tourists to take pictures with. Via Shutterstock / santourena The northernmost point of the United States is Point Barrow, Alaska, also known as Nuvuk, on the Arctic coast at approximately 71°23′ north latitude. USGS identifies it as the country’s northernmost point. Located where the Chukchi and Beaufort seas meet, the area experiences Arctic conditions and seasonal changes in sea ice and daylight. On December 11, 2025, the agency reported that coastal erosion had destabilized the area and forced the removal of monitoring cameras installed there in 2021. The cameras were taken down in September 2025.

The southernmost point of the 50 states is Ka Lae, Hawaii, on the Big Island at approximately 18°55′ north latitude. Also known as South Point, Ka Lae is part of Hawaii’s volcanic landscape and sits along the southern edge of the island. The direct distance between Point Barrow and Ka Lae is approximately 3,625 miles, calculated using the coordinates published by USGS.

If U.S. territories are included, the southernmost point moves to Rose Atoll in American Samoa, a remote coral atoll south of the equator. USGS’s historical distance table lists 5,971 miles between Point Barrow and Steps Point on Tutuila Island in American Samoa, although Steps Point is not the territory’s southernmost location.

The country’s east-west extremes are more complicated because Alaska’s Aleutian Islands cross the 180th meridian. The Aleutian chain stretches westward from mainland Alaska across the North Pacific, forming a long arc of volcanic islands. West Point of Amatignak Island, Alaska, is considered the westernmost point by longitude, while Pochnoi Point on Semisopochnoi Island, Alaska, is considered the easternmost. Despite their labels, USGS calculates that the two points are only about 63 miles apart because they lie on opposite sides of the 180th meridian. The International Date Line bends westward around the Aleutian Islands.

West Quoddy Head in Quoddy Head State Park, Lubec, Maine. Via Shutterstock / Randy Kostichka For a more familiar east-west comparison, West Quoddy Head, Maine, the easternmost point of the contiguous United States, is approximately 4,831 miles from Cape Wrangell, Alaska, when the 50 states are considered. West Quoddy Head is located in Lubec, near the Canadian border, while Cape Wrangell lies on Attu Island in Alaska’s western Aleutians.

Within the contiguous 48 states, USGS calculates the greatest distance between two points at approximately 2,892 miles, from West Quoddy Head to Point Arena, California. The shortest coast-to-coast distance is about 2,089 miles, between points near Brunswick, Georgia, and San Diego, California. These measurements show why the phrase “coast to coast” can describe different distances depending on which points along the U.S. coastline are used.

The scale becomes even clearer when comparing Florida with the nation’s other extremes. USGS places the distance from Log Point on Elliott Key, Florida, to Kure Island, Hawaii, at approximately 5,859 miles, while the distance from Elliott Key to Cape Wrangell, Alaska, is about 5,505 miles. Florida’s position at the southeastern end of the contiguous United States puts it closer to the Caribbean and Atlantic than to the country’s northern and western extremes.

When U.S. territories are included, the distance expands dramatically. USGS calculates approximately 6,501 miles between East Point on St. Croix in the U.S. Virgin Islands and Cape Wrangell, Alaska, and approximately 9,514 miles between East Point and Orote Point, Guam.

View from Ka Lae, the southernmost point of the Big Island of Hawaii. Via Ritu Manoj Jitani on Shutterstock.com For the 50 states, the answer depends on which pair of extremes is being compared. Point Barrow, Alaska, and Ka Lae, Hawaii, are approximately 3,625 miles apart in a direct line. West Quoddy Head, Maine, and Cape Wrangell, Alaska, are approximately 4,831 miles apart. The greatest point-to-point distance listed by USGS for the 50 states is 5,859 miles, between Elliott Key, Florida, and Kure Island, Hawaii.

Within the contiguous United States, the greatest listed distance between two points is approximately 2,892 miles, connecting Maine and California. The shortest coast-to-coast distance is substantially smaller at 2,089 miles.

Including U.S. territories changes the scale considerably. USGS’s longest listed distance reaches approximately 9,514 miles between East Point, St. Croix, and Orote Point, Guam.

The numbers show a country that looks very different depending on the map. The familiar mainland spans nearly 2,900 miles between its farthest points, but Alaska and Hawaii push the boundaries of the 50 states far into the Arctic and Pacific. Remote islands, Arctic coastline, and volcanic terrain all contribute to the nation’s geographic extremes. Add the U.S. territories, and the distance between some American locations approaches 10,000 miles. For a nation usually pictured as a single block between the Atlantic and Pacific, America’s actual extremes are scattered across a much larger part of the globe.