Circle of latitude

all locations on the surface of the earth that are equidistant from the equator or either pole

On the Earth, a circle of latitude is an imaginary east-west circle that connects all locations with a given latitude. A location's position along a circle of latitude is given by its longitude. Circles of latitude are often called parallels because they are parallel to each other. It is measured in absolute location.

Diagram of major circles of latitude on the Earth.

The five major circles of latitude are, from north to south: