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Latitude and Longitude Quick Facts  QUICK FACTS - Latitude and Longitude When latitude and longitude lines are overlaid on each other, they form a grid. If you know the latitude and longitude of a place, it is possible to locate that place on a globe or map. Latitude Latitude is the measure of how far north or south a location is from the equator. Latitude is measure in degrees. The equator is at 0 degrees latitude and it stretches the diameter of the earth. 1 degree is equivalent to about 111 km and one minute is about 1.85 km. Latitude lines are imaginary lines that are marked every twenty degrees north and south of the equator. The latitude of an area is one factor in the kind of climate the area might have. If an area is located close to the equator, the climate will be very hot, or tropical. As one gets above the Tropic of Cancer or Capricorn, the climate becomes milder, with hot summers and cold winters This is defined as temperate climate. At the points furthest away from the equator, the climate is cold and is called polar. Longitude Longitude is a measure of how far east or west a place is from the Prime Meridian. The Prime Meridian is in Greenwich England and is the place from which longitude is measured. The longitude lines or meridians as they are sometimes called are imaginary lines every 20 degrees east or west of the Prime Meridian. While the latitude of a particular location affects its climate, the longitude can determine the time zone a particular location is in. More Information >>    Latitude and Longitude Contents >> Quick Facts<< Introduction Latitude Lines of Latitude Longitude Lines of Longitude Useful Links