Area of space covered by nile and amazon RIVER.
a. The Nile River has a length of 4, 132 miles and drains an estimated area of 1,293, 000 square miles .
b. The Amazon Basin covers an area of 7,050,000 square kilometres (2,722,020 sq miles)
b. The Amazon Basin covers an area of 7,050,000 square kilometres (2,722,020 sq miles)