In John 14:2, Jesus states He goes to prepare a place — this is the destination the disciples know the way to in verse 4.

In John 14:28, Jesus clarifies His going is to the Father and includes His return, expanding on the journey referenced in verse 4.

In John 13:3, John notes Jesus' knowledge that He came from God and was going back to God — this is the 'where I am going' in verse 4.

In John 16:28, Jesus explicitly states He is leaving the world and going to the Father, directly identifying the destination in verse 4.

In John 13:33, Jesus says they cannot come where he is going — contrasts with John 14:4 where he says they know the way.

In John 16:5, Jesus notes none ask where he is going — contrasts with assuming they know the way in John 14:4.

In John 10:9, Jesus as the door provides access to salvation — a parallel image to Jesus as the way to the Father.

In John 12:26, serving and following Jesus leads to being where he is — echoes the destination theme of knowing the way.