What is the longitude of Nile river?

The Nile River does not have a single longitude as it flows through multiple countries and covers a significant distance. The source of the White Nile is located in Burundi and Rwanda and has a longitude of approximately 30 degrees east. As the river flows northward through Uganda, Sudan, and Egypt, its longitude changes. In Cairo, Egypt, the longitude of the Nile River is approximately 31 degrees east.