Contradiction with 1 John 1:5
John 11:10 speaks about walking in the night and lacking light, whereas 1 John 1:5 states that God is light and in Him is no darkness at all.
1 John 1:5: This then is the message which we have heard of him, and declare unto you, that God is light, and in him is no darkness at all.
Contradiction with Psalm 139:12
John 11:10 suggests darkness as a hindrance, but Psalm 139:12 says that darkness and light are alike to God, suggesting that darkness is not a barrier.
Psalm 139:12: Yea, the darkness hideth not from thee; but the night shineth as the day: the darkness and the light [are] both alike [to thee]. [hideth...: Heb. darkeneth not] [the darkness and...: Heb. as is the darkness, so is the light]
Contradiction with Isaiah 9:2
John 11:10 refers to walking without light, while Isaiah 9:2 mentions that people who walked in darkness have seen a great light, implying light's presence.
Isaiah 9:2: The people that walked in darkness have seen a great light: they that dwell in the land of the shadow of death, upon them hath the light shined.
Contradiction with Matthew 5:14
John 11:10 suggests danger in darkness, but Matthew 5:14 calls believers the light of the world, indicating they bring light into darkness.
Matthew 5:14: Ye are the light of the world. A city that is set on an hill cannot be hid.
Contradiction with Ephesians 5:8
John 11:10 implies peril in walking at night, whereas Ephesians 5:8 says believers were once darkness but are now light in the Lord.
Ephesians 5:8: For ye were sometimes darkness, but now [are ye] light in the Lord: walk as children of light:
Contradiction with Proverbs 4:18-19
John 11:10 contrasts the inability to see due to darkness, while Proverbs 4:18-19 compares the path of the righteous to growing brighter, unlike the wicked immersed in darkness.
Proverbs 4:18-19: But the path of the just [is] as the shining light, that shineth more and more unto the perfect day.
Contradiction with Revelation 22:5
John 11:10 mentions risk in night-time, but Revelation 22:5 proclaims there will be no night in God's kingdom, contradicting the idea of danger at night.
Revelation 22:5: And there shall be no night there; and they need no candle, neither light of the sun; for the Lord God giveth them light: and they shall reign for ever and ever.