Contradiction with Acts 16:37
Paul asserts his Roman citizenship after being wrongfully imprisoned, contradicting the unrestricted freedom implied by Acts 28:30.
Acts 16:37: But Paul said unto them, They have beaten us openly uncondemned, being Romans, and have cast [us] into prison; and now do they thrust us out privily? nay verily; but let them come themselves and fetch us out.
Contradiction with Acts 20:22-23
Paul is moved by the Holy Spirit, facing imprisonment and hardship, which contrasts with the period of liberty in Acts 28:30.
Acts 20:22-23: And now, behold, I go bound in the spirit unto Jerusalem, not knowing the things that shall befall me there:
Contradiction with 2 Corinthians 11:23-25
Paul recounts his sufferings and imprisonments for the Gospel, contrasting with his situation in Acts 28:30.
2 Corinthians 11:23-25: Are they ministers of Christ? (I speak as a fool) I [am] more; in labours more abundant, in stripes above measure, in prisons more frequent, in deaths oft.
Contradiction with Acts 23:12-14
A conspiracy to kill Paul shows imminent threats to his life, contradicting the peaceable stay described in Acts 28:30.
Acts 23:12-14: And when it was day, certain of the Jews banded together, and bound themselves under a curse, saying that they would neither eat nor drink till they had killed Paul. [under a curse: or, with an oath of execration]
Contradiction with Acts 24:27
Paul remains in custody for two years, in contradiction to the apparent liberty mentioned in Acts 28:30.
Acts 24:27: But after two years Porcius Festus came into Felix' room: and Felix, willing to shew the Jews a pleasure, left Paul bound.
Contradiction with Acts 26:31-32
Authorities find Paul could have been freed earlier, contradicting the idea of an unimpeded two-year teaching period in Acts 28:30.
Acts 26:31-32: And when they were gone aside, they talked between themselves, saying, This man doeth nothing worthy of death or of bonds.