Havana sits next to 3 phonetic neighbors — Savannah, Hannah, and Avana are the closest matches by sound. Most share Havana's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"port, harbor"
"dream, vision"
"protected city"
"descendant of Colin, son of the young one"
"hilarious, causing laughter"
"firstborn daughter"
"resemblance to the divine"
"divine sky child"
"grace, favor from God"
"thunder"
"vision, flag"
"from the island of Cyprus"
"strong, vigorous"
"God answered, God has spoken"
"little Antonia, beloved one"
"radiant, brilliant"
"of the air"
"miracle"
"free spirit (modern connotation)"
"follower of Christ"
"brave, vigorous"
Similar sound: These names share phonetic patterns with Havana — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Spanish/Taino origins, giving them the same cultural heritage as Havana.
Rhythm: Havana is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.