John Gill Commentary Numbers 33:10

"And they journeyed from Elim, and encamped by the Red Sea." — Numbers 33:10 (ASV)

And they removed from Elim, and encamped by the Red sea .
] This encampment, is omitted in the book of Exodus, see (Exodus 16:1) this part or arm of the Red sea, where they came, was six miles from Elim.