Top 10 Longest Desert In the world...

 10. Great Basin desert - 492000 square kilometer.

9. Great victoria Desert - 647000 square kilometer.

8. Rub al-khali Desert - 650000 square kilometer.

7. Patagonian desert - 673000 square kilometer.

6. Kalahari desert - 930000 square kilometer.

5. Gobi Desert - 1,295,000 square kilometer.

4. Arabian Desert - 2,300,000 square kilometer.

3. Sahara Desert - 8600000 square kilometer.

2. Artic Desert - 13700000 square kilometer.

1. Antarctic Desert - 13960,000 square kilometer.