On the Earth, a circle of latitude or parallel is an imaginary east-west circle that connects all locations with a given latitude. The position on the circle of latitude is given by the longitude.

The Arctic Circle is one of the five major circles of latitude that mark maps of the Earth. This is the parallel of latitude that (in 2000) runs 66.56083 degrees north of the Equator. Everything north ...

THE 38th parallel in question is a circle of latitude 38 degrees north of the equatorial plane. This line divides the Korean peninsula roughly in half (leaving about 56% of Korean territory on the ...