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U.S. Route 1 or U.S. Highway 1 (US 1) is a major north–south United States Numbered Highway that serves the East Coast of the United States. It runs 2,370 miles (3,810 km) from Key West , Florida , north to Fort Kent, Maine , at the Canadian border , making it the longest north–south road in the United States. [ 2 ]
Li. (unit) Map of the eastern South China Sea from 1588; each grid square is 400 li (about 133 km or 80 miles). Li ( Chinese: 里, lǐ, or 市里, shìlǐ ), also known as the Chinese mile, [citation needed] is a traditional Chinese unit of distance. The li has varied considerably over time but was usually about one third of an English mile and ...
The radar mile is a unit of time (in the same way that the light year is a unit of distance), equal to the time required for a radar pulse to travel a distance of two miles (one mile each way). Thus, the radar statute mile is 10.8 μs and the radar nautical mile is 12.4 μs.
The US has the 2nd largest Exclusive Economic Zone of 11,351,000 km 2 (4,383,000 sq mi). By total area ( water as well as land), the United States is either slightly larger or smaller than the People's Republic of China, making it the world's third or fourth-largest country.
The Mississippi drainage basin includes the Missouri and the Mississippi rivers, the two longest main-stem rivers in the United States, as well as 18 more of the rivers on this list. The Mississippi main stem is highlighted in dark blue. The longest rivers of the United States include 38 that have main stems of at least 500 miles (800 km) long.
Land's End to John O'Groats is the traversal of the whole length of the island of Great Britain between two extremities; in the southwest and northeast. The distance by road using the traditional route is 874 miles (1,407 km) and the records are maintained by the Road Records Association. Some of its current records are:
This is a list of U.S. states and territories ranked by their coastline length. 30 states have a coastline: 23 with a coastline on the Arctic Ocean, Atlantic Ocean (including the Gulf of Mexico and Gulf of Maine ), and/or Pacific Ocean, and 8 with a Great Lakes shoreline. New York has coasts on both the Great Lakes and the Atlantic Ocean.
The United States Numbered Highway System (often called U.S. Routes or U.S. Highways) is an integrated network of roads and highways numbered within a nationwide grid in the contiguous United States. As the designation and numbering of these highways were coordinated among the states, they are sometimes called Federal Highways, but the roadways ...