Latitude and Longitude

How wide is a degree of longitude

Though there are only a couple dozen lines of longitude shown on most globes and world maps, the Earth is actually divided into 360 lines of longitude. The distance between each line of longitude is called a degree. Because the lines of longitude are widest at the equator and converge at the Poles, the width of a degree varies from 69 miles (111 kilometers) wide to zero, respectively.


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