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  2. Mile - Wikipedia

    en.wikipedia.org/wiki/Mile

    In the United States, the term statute mile formally refers to the survey mile, [3] but for most purposes, the difference of less than 1 ⁄ 8 inch (3.2 mm) between the survey mile and the international mile (1609.344 metres exactly) is insignificant—one international mile is 0.999 998 US survey miles—so statute mile can be used for either.

  3. Exit numbers in the United States - Wikipedia

    en.wikipedia.org/wiki/Exit_numbers_in_the_United...

    As highways are converted to mile-based exit numbers, sequential numbers will be posted on "Old Exit XX" placards on advance guide signs and gore signs for at least two years following the conversion. Mile-based exit numbers on I-4 in Volusia County, Florida, circa 2003. In this case, mile-based exits 111A and 111B had been sequential exits ...

  4. League (unit) - Wikipedia

    en.wikipedia.org/wiki/League_(unit)

    Legua nautica (nautical league): Between 1400 and 1600 the Spanish nautical league was equal to four Roman miles of 4,842 feet, making it 19,368 feet (5,903 metres or 3.1876 modern nautical miles). However, the accepted number of Spanish nautical leagues to a degree varied between 14 1/6 to 16 2/3, so in actual practice the length of a Spanish ...

  5. Geographical mile - Wikipedia

    en.wikipedia.org/wiki/Geographical_mile

    When each equatorial degree was divided into 18 leagues, the geographical mile was equal to ⁠ 1 / 54 ⁠ degree or about 2.06 kilometres (1.28 mi); when divided into 20 leagues, the geographical mile was equal to ⁠ 1 / 60 ⁠ degree, approximating the values provided above; and when divided into 25 leagues, the geographical mile was equal ...

  6. List of United States cities by area - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States...

    San Francisco is an extreme example: water makes up nearly 80% of its total area of 232 square miles (601 km 2). In many cases an incorporated place is geographically large because its municipal government has merged with the government of the surrounding county.

  7. Arizona State Route 77 - Wikipedia

    en.wikipedia.org/wiki/Arizona_State_Route_77

    State Route 77 (SR 77) is a 253.93-mile (408.66-kilometre) long state highway in Arizona that traverses much of the state's length, stretching from its southern terminus at a junction with I-10 in Tucson to its northern terminus with BIA Route 6 at the Navajo Nation boundary just north of I-40.

  8. Zero Milestone - Wikipedia

    en.wikipedia.org/wiki/Zero_Milestone

    Zero Milestone face. Washington DC. Zero Milestone, facing the stone's northwest corner (2010) The Zero Milestone is a zero mile marker monument in Washington, D.C., intended as the initial milestone from which all road distances in the United States should be measured when it was built.

  9. Milepost equation - Wikipedia

    en.wikipedia.org/wiki/Milepost_equation

    For example, an equation of 7.6 back = 9.2 ahead means that the feature does not have any section between mile 7.6 and mile 9.2, and the distance between mileposts 7 and 10 is only 1.4 miles. This would usually be caused by a relocation that shortened the distance by 1.6 miles.