Where is the Tropic of Cancer?

Answer 1

Between the Arctic Circle and the Equator. It is the line that describes the farthest north you can be and still have the sun at your zenith at the time of the summer solstice in the northern hemisphere. This is about 23.5 degrees N latitude.

Answer 2

The Tropic of Cancer is the line that joins all points on the earth

whose latitude is 23.5 degrees north.

ALL longitudes on earth have a point on the Tropic of Cancer.

Answer 3

23.5 degrees north at all longitudes