If you loved Boruto: Naruto the Movie, try Naruto OVA 12: The Day Naruto Became Hokage
A bridge between a film you've already seen and one most people haven't. Naruto OVA 12: The Day Naruto Became Hokage has roughly 25.9× fewer votes than Boruto: Naruto the Movie — it's a deeper cut, not a mainstream recommendation. Here's what they share, and what the second one does that the first one doesn't.

Boruto: Naruto the Movie

Naruto OVA 12: The Day Naruto Became Hokage
What they share
Both films are directed by Hiroyuki Yamashita, and they both carry the cozy, foreign gem, playful, uplifting mood tags, and they sit in Animation / Fantasy territory. If that's the register that drew you to Boruto: Naruto the Movie, the second film will land in a comparable space — through a different lens.
What Naruto OVA 12: The Day Naruto Became Hokage is
_Mr. Smith Goes to Washington_ if everyone's a ninja. Naruto's finally about to be named head of the village. But of course, total disaster strikes. A sweet little victory lap for a long-running anime franchise.