Numbers 33:8

And journeying on from before Hahiroth, they went through the sea into the waste land: they went three days' journey through the waste land of Etham and put up their tents in Marah.

Exodus 14:21-31

And when Moses' hand was stretched out over the sea, the Lord with a strong east wind made the sea go back all night, and the waters were parted in two and the sea became dry land.

Exodus 15:22-26

Then Moses took Israel forward from the Red Sea, and they went out into the waste land of Shur; and for three days they were in the waste land where there was no water.

Treasury of Scripture Knowledge

Summary

And they departed from before Pihahiroth, and passed through the midst of the sea into the wilderness, and went three days' journey in the wilderness of Etham, and pitched in Marah.

Bible References

Departed

Exodus 14:21
And when Moses' hand was stretched out over the sea, the Lord with a strong east wind made the sea go back all night, and the waters were parted in two and the sea became dry land.
Exodus 15:22
Then Moses took Israel forward from the Red Sea, and they went out into the waste land of Shur; and for three days they were in the waste land where there was no water.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain