Distance between Riyadh, Saudi Arabia and the Tropic of Cancer

139 km = 86 miles

Riyadh, Saudi Arabia: basic facts and figures

Country: Saudi Arabia
Riyadh coordinates: 24°41′15″ N, 46°43′18″ E
Population: 4,205,961
Find out what time it is in Riyadh right now
See the map of Riyadh
Wikipedia article: Riyadh

The Tropic of Cancer: basic facts and figures

The Tropic of Cancer or Northern 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 summer 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 Cancer depends on the tilt of the Earth's axis which changes with time.
The current latitude of the Tropic of Cancer equals 23°26′16″ N.

Wikipedia article: the Tropic of Cancer