Distance between Udon Thani, Thailand and the Tropic of Cancer

670 km = 417 miles

Udon Thani, Thailand: basic facts and figures

Country: Thailand
Udon Thani coordinates: 17°24′56″ N, 102°47′09″ E
Population: 247,231
Find out what time it is in Udon Thani right now
See the map of Udon Thani
Wikipedia article: Udon Thani

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