Distance between Istanbul, Turkey and the Tropic of Capricorn

7175 km = 4458 miles

Istanbul, Turkey: basic facts and figures

Country: Turkey
Istanbul coordinates: 41°00′49″ N, 28°56′58″ E
Population: 11,174,257
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Wikipedia article: Istanbul

The Tropic of Capricorn: basic facts and figures

The Tropic of Capricorn or Souhern Tropic is a circle of latitude or parallel on the Earth's surface where the Sun appears in zenith once a year, at the time of the winter solstice.
For the points on the Earth's surface located between the Tropic of Cancer and the Tropic of Capricorn, the Sun appears in zenith twice a year.
For the points on the Earth's surface located to the north of the Tropic of Cancer and to the south of the Tropic of Capricorn, the Sun never appears in zenith.

The latitude of the Tropic of Capricorn depends on the tilt of the Earth's axis which changes with time.
The current latitude of the Tropic of Capricorn equals 23°26′16″ S.

Wikipedia article: the Tropic of Capricorn