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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).
For most applications, the difference between the two definitions is insignificant – one international foot is exactly 0.999 998 of a US survey foot, for a difference of about 1 ⁄ 8 in (3 mm) per mile – but it affects the definition of the State Plane Coordinate Systems (SPCSs), which can stretch over hundreds of miles.
Earth radius R 🜨 ≈ 6,371 km [14] Lunar distance LD ≈ 384 402 km. [15] Average distance between the center of Earth and the center of the Moon. astronomical unit au. Defined as 149 597 870 700 m. [16] Approximately the distance between the Earth and Sun. light-year ly ≈ 9 460 730 472 580.8 km. The distance that light travels in a vacuum ...
The figure for Connecticut was arrived at separately and may not reflect the correct comparative distance. ... (10,690 km) 1: 33,904 mi (54,563 km) ... Texas: 367 mi ...
The marathon is referred to as a 26.219-mile race (the official marathon standard distance originally being in English units—26 miles, 385 yards) rather than 42.195 km. Ultramarathons are measured in either miles or kilometers, with little standardization either way.
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.
Lunar distance (LD), the distance from the centre of Earth to the centre of the Moon, is a unit of measure in astronomy. The lunar distance is approximately 384,400 km (238,900 mi), or 1.28 light-seconds; this is roughly 30 times Earth's diameter. A little less than 400 lunar distances make up an astronomical unit.
111 km – distance covered by one degree of latitude on Earth's surface; 120 km – width of Brunei; 180 km – distance between Mumbai and Nashik; 200 km – width of Qatar; 203 km – length of Sognefjorden, the third-largest fjord in the world; 220 km – distance between Pune and Nashik; 240 km – width of Rwanda