Distance between Hong Kong, Hong Kong and the Tropic of Cancer

128 km = 80 miles

Hong Kong, Hong Kong: basic facts and figures

Country: Hong Kong
Hong Kong coordinates: 22°17′07″ N, 114°09′27″ E
Population: 7,012,738
Find out what time it is in Hong Kong right now
See the map of Hong Kong
Wikipedia article: Hong Kong

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