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  2. League (unit) - Wikipedia

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

    On land, the league is most commonly defined as three miles (4.83 km), although the length of a mile could vary from place to place as well as depending on the era. At sea, a league is three nmi (3.452 mi; 5.556 km). English usage also included many of the other leagues mentioned below (for example, in discussing the Treaty of Tordesillas).

  3. Orders of magnitude (length) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(length)

    2.228 kmheight of Mount Kosciuszko, highest point on mainland Australia [146] Most of Manhattan is from 3 to 4 km wide. 3.776 kmheight of Mount Fuji, highest peak in Japan; 4.478 kmheight of Matterhorn; 4.509 kmheight of Mount Wilhelm, highest peak in Papua New Guinea; 4.810 kmheight of Mont Blanc, highest peak in the Alps

  4. Unit of length - Wikipedia

    en.wikipedia.org/wiki/Unit_of_length

    Earth radius R 🜨 ≈ 6,371 km [9] Lunar distance LD ≈ 384 402 km. [10] Average distance between the center of Earth and the center of the Moon. astronomical unit au. Defined as 149 597 870 700 m. [11] Approximately the distance between the Earth and Sun. light-year ly ≈ 9 460 730 472 580.8 km.

  5. Cross country running - Wikipedia

    en.wikipedia.org/wiki/Cross_country_running

    Senior men and women compete on a 10-kilometre course, junior men compete on an 8-kilometre course, and junior women compete on a 6-kilometre course. [3] In the United States, college men typically compete on 8 km (5.0 mi) or 10 km (6.2 mi) courses, while college women race for 5 km (3.1 mi) or 6 km (3.7 mi). [5]

  6. Earth radius - Wikipedia

    en.wikipedia.org/wiki/Earth_radius

    Earth radius (denoted as R 🜨 or R E) is the distance from the center of Earth to a point on or near its surface. Approximating the figure of Earth by an Earth spheroid (an oblate ellipsoid), the radius ranges from a maximum (equatorial radius, denoted a) of nearly 6,378 km (3,963 mi) to a minimum (polar radius, denoted b) of nearly 6,357 km (3,950 mi).

  7. String girdling Earth - Wikipedia

    en.wikipedia.org/wiki/String_girdling_Earth

    Surprisingly, the answer is 2 π m or around 6.3 metres (21 ft). In the second phrasing, considering that 1 metre (3 ft 3 in) is almost negligible compared with the 40,000 km (25,000 mi) circumference, the first response may be that the new position of the string will be no different from the original surface-hugging position.

  8. National Three Peaks Challenge - Wikipedia

    en.wikipedia.org/wiki/National_Three_Peaks_Challenge

    Each mountain is expected to take up to 5 hours to climb and descend for a "standard strong walker", and a total driving time of 10 hours allows an average speed of 65 miles per hour (105 km/h) on motorways and 50–55 mph (80–89 km/h) on trunk roads and occasional comfort breaks and fuel stops. [23]

  9. 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 ...