The African valley that is almost 4,000 miles long is the East African Rift Valley. This geological feature stretches from the Afar Triangle in northeastern Africa down to Mozambique. It is significant for its unique geological formations and biodiversity, as well as its role in the tectonic activity of the region. The rift is home to several lakes, including Lake Victoria and Lake Tanganyika.
abut 4000
Great rift Valley
Great rift Valley
The Great Rift Valley
Possibly, if it hasn't been titled before.
I'm thinking that's not what you wanted to ask but as written, the answer is 4000.
4000 meters = 2.485 miles.
253440000 inches = 4000 miles
4000 km = 2485.5 miles
4000 meters = about 2.5 miles (2.48548477 miles).
From melborn to The gold coast or Alice springs is 4000 miles
4000 sq miles = 2560000 acres