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The approximate longitude of mainland Africa's westernmost point is 17°31'50.2"W.

It is the section of the city Dakar in the country Senegal.

Dakar is an incredible historic metropolitan city and the capital of Senegal. It is one of the greatest harbors in West Africa and a city renowned as a venue for the performances of the Paris-Dakar Rally. Moreover vast airport is also instituted near the city, which receives travelers throughout the world.

We have that  the Longitude lies on the co-ordinate

17°31′13″W

Where

Longitude

This speaks to the Horizontal east or west measurement of the Meridian

The use of the longitude and the latitude around the meridian allows for pin Point Location of a Position around the earth

It is important to note that Africa's westernmost point lies in Cape Verde , This county is named after the westernmost point cap-vert peninsula on the Senegalese cost

The Longitude lies on the co-ordinate

17°31′13″W

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