Lake Nyos is a crater lake in the Northwest Region of Cameroon, located about 315 km northwest of Yaounde. Nyos is a deep lake high on the flank of an inactive volcano in the Oku volcanic plain along the Cameroon line of volcanic activity. A volcanic dam impounds the lake waters.

Based on the paragraph above can we conclude that "The Cameroon city of Yaounde is over 300 km southeast of Nyos."?
Yes