Contradiction with Matthew 28:19
Jesus instructs his disciples to go out and teach all nations, which contrasts with Jesus no longer walking openly among the Jews in John 11:54.
Matthew 28:19: Go ye therefore, and teach all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost: [teach...: or, make disciples, or, Christians of all nations]
Contradiction with Mark 16:15
Jesus tells his followers to preach to every creature, whereas John 11:54 describes Jesus limiting his public interactions.
Mark 16:15: And he said unto them, Go ye into all the world, and preach the gospel to every creature.
Contradiction with Matthew 10:27
Jesus encourages teachings to be proclaimed openly, unlike in John 11:54, where Jesus withdraws from public ministry.
Matthew 10:27: What I tell you in darkness, [that] speak ye in light: and what ye hear in the ear, [that] preach ye upon the housetops.
Contradiction with Luke 8:1
Jesus travels openly and preaches in various cities, which contradicts his withdrawal in John 11:54.
Luke 8:1: And it came to pass afterward, that he went throughout every city and village, preaching and shewing the glad tidings of the kingdom of God: and the twelve [were] with him,
Contradiction with John 18:20
Jesus states he spoke openly to the world, in contrast to him not walking openly among Jews per John 11:54.
John 18:20: Jesus answered him, I spake openly to the world; I ever taught in the synagogue, and in the temple, whither the Jews always resort; and in secret have I said nothing.