However , Eline was in the south - west Indian Ocean for 21 days , which is the third most on record .
The track was over 11,000 km ( 6,800 mi ) , or about 25 % of the Earth 's circumference .
Eline was in the south - west Indian Ocean for 21 days , which is the third most on record .
The track was over 11,000 km ( 6,800 mi ) , or about 25 % of the Earth 's circumference .