Numbers 33:7-8 New King James Version (NKJV)
7 They moved from Etham and turned back to Pi Hahiroth, which is east of Baal Zephon; and they camped near Migdol. 8 They departed [a]from before Hahiroth and passed through the midst of the sea into the wilderness, went three days’ journey in the Wilderness of Etham, and camped at Marah.
Numbers 33:7-8 New International Version (NIV)
7 They left Etham, turned back to Pi Hahiroth, to the east of Baal Zephon, and camped near Migdol.
8 They left Pi Hahiroth[a] and passed through the sea into the desert, and when they had traveled for three days in the Desert of Etham, they camped at Marah.