Numbers 33:8

New American Bible - revised edition

Setting out from Pi-hahiroth, they crossed over through the sea into the wilderness, and after they traveled a three days’ journey in the wilderness of Etham, they camped at Marah.

Cross References

Exodus 14:2

Speak to the Israelites: Let them turn about and camp before Pi-hahiroth, between Migdol and the sea. Camp in front of Baal-zephon, just opposite, by the sea.