Exodus 3:16 gives the initial instruction to elders, which Exodus 3:18 expands with the request to Pharaoh. Both are part of the same commission.

Exodus 3:12 promises worship on this mountain, the same goal as the three-day journey request in 3:18.

In Exodus 8:25-28, Moses repeats the same three-day journey demand to Pharaoh, reinforcing the request from 3:18.

Exodus 10:24-26 shows Moses insisting on taking all livestock for sacrifice, echoing the full worship demand from 3:18.

Exodus 10:3 again delivers the same 'let my people go' message, now before locusts, continuing the pattern.

Exodus 9:13 repeats the command to let Israel go serve God, echoing the initial request before the hail plague.

Exodus 9:1 again repeats the demand from Exodus 3:18, emphasizing the command to let Israel go to serve God.

In Exodus 8:27, Moses repeats the exact request to go three days into the wilderness — a direct parallel of the same event.

Exodus 7:16 repeats the same request from Exodus 3:18—'Let my people go to serve me in the wilderness'—as part of the plague narrative.

Exodus 5:3 quotes the exact request to sacrifice in the wilderness, directly implementing the command from 3:18.

Exodus 5:1-3 is the direct execution of the command from Exodus 3:18—Moses and Aaron ask Pharaoh for the three-day journey.

Exodus 4:31 records the elders' belief and worship, fulfilling the expected response to the message in Exodus 3:18.

In Exodus 8:1, the same demand to let Israel go worship God is repeated, continuing the request made in 3:18.

Exodus 8:26 explains why the three-day journey is necessary: their sacrifices are abominable to Egyptians, so they must go into the wilderness.

Exodus 4:5 states the signs are for believing the message God gave Moses in 3:18, linking the miracle to the earlier command.

In Exodus 10:9, Moses insists all Israelites—young, old, flocks—must go to worship, expanding the original three-day request.

In Exodus 4:1, Moses doubts the people will believe the message from 3:18, showing his immediate reaction to God's command.

Exodus 15:22 records Israel actually traveling three days into the wilderness, fulfilling the journey mentioned in the request.

Exodus 19:1 records Israel's arrival at Sinai, the mountain of worship anticipated by the request in 3:18.