Joshua 2:10
For we have heard how the Lord dried up the water of the Red sea for you, when ye came out of Egypt; and what ye did unto the two kings of the Amorites, that were on the other side Jordan, Sihon and Og, whom ye utterly destroyed.
Cross-reference
Joshua 9:9 has the Gibeonites saying they heard of God's deeds in Egypt and against Sihon and Og—identical to Rahab's report. Same testimony from another group.
In Joshua 4:24, the purpose that all people might know God's hand echoes the Canaanites' knowledge of His mighty acts here.
Exodus 14:21-31 is the Red Sea crossing explicitly referenced here — the Canaanites heard how God dried up the sea.
Exodus 15:14-16 prophesied that the inhabitants of Canaan would hear and tremble; here that fear is realized.
Numbers 21:21-35 recounts the defeat of Sihon and Og, directly cited here as what the Canaanites heard.
Deuteronomy 2:30-37 is the same account of Sihon's defeat referenced here in Rahab's report.
Deuteronomy 3:1-8 details the defeat of Og, which Rahab says the Canaanites heard about.
Numbers 22:3 records Moab's fear after Israel defeated Sihon and Og—the very victory Rahab mentions. Direct link to the same event.
Hebrews 11:29 recalls the same Red Sea crossing that Rahab mentions, highlighting faith as the means of passing through.
Ezekiel 20:9 states God acted for his name's sake in bringing Israel out of Egypt—the same exodus event Rahab heard about. Parallel focus on God's reputation.
Numbers 14:14 shows that the Canaanites heard of God's presence with Israel, just as Rahab heard of His acts. Both highlight God's reputation among the nations.
Romans 9:17 quotes Exodus about God raising Pharaoh to proclaim his name—the same purpose behind the Red Sea event Rahab references. Thematic link to God's fame.
1 Kings 8:42 prays that foreigners will hear of God's mighty hand—the same reputation that reached Rahab. Thematic parallel of God's fame.