New Revised Standard Version
He got up, and ate and drank; then he went in the strength of that food forty days and forty nights to Horeb the mount of God.

Contemporary English Version
So Elijah sat up and ate and drank. The food and water made him strong enough to walk 40 more days. At last, he reached Mount Sinai, the mountain of God,

New American Bible
He got up, ate, and drank; then strengthened by that food, he walked forty days and forty nights to the mountain of God, Horeb.

Douay-Rheims Bible
And he arose, and ate and drank, and walked in the strength of that food forty days and forty nights, unto the mount of God, Horeb.

And he arose, and ate and drank, and walked in the strength of that food forty days and forty nights, unto the mount of God, Horeb.

in the strength

Daniel 1:15 And after ten days, their faces appeared fairer and fatter than all the children that ate of the king's meat.

2 Corinthians 12:9 And he said to me: My grace is sufficient for thee: for power is made perfect in infirmity. Gladly therefore will I glory in my infirmities, that the power of Christ may dwell in me.

forty days

Exodus 24:18 And Moses entering into the midst of the cloud, went up into the mountain: And he was there forty days and forty nights.

Exodus 34:28 And he was there with the Lord forty days and forty nights: he neither ate bread nor drank water, and he wrote upon the tables the ten words of the covenant.

Deuteronomy 9:9,18 When I went up into the mount to receive the tables of stone, the tables of the covenant which the Lord made with you: and I continued in the mount forty days and nights, neither eating bread, nor drinking water. . . .

Matthew 4:2 And when he had fasted forty days and forty nights, afterwards he was hungry.

Mark 1:13 And he was in the desert forty days and forty nights, and was tempted by Satan. And he was with beasts: and the angels ministered to him.

Luke 4:2 For the space of forty days, and was tempted by the devil. And he ate nothing in those days. And when they were ended, he was hungry.

Horeb

Exodus 3:1 Now Moses fed the sheep of Jethro, his father in law, the priest of Madian: and he drove the flock to the inner parts of the desert, and came to the mountain of God, Horeb.

Exodus 19:18 And all Mount Sinai was on a smoke: because the Lord was come down upon it in fire, and the smoke arose from it as out of a furnace: and all the mount was terrible.

Malachi 4:4,5 Remember the law of Moses my servant, which I commanded him in Horeb for all Israel, the precepts, and judgments. . . .