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"
"of the Sabine people"
"little Antonia, beloved one"
"cheerful, merry, joyful"
"exalted, ascending, noble"
"the flowering vine"
"new, young, fresh"
"brightness, radiance"
"work power, vigor and rule"
"foreign woman (as variant of Barbara)"
"little ruler, little king"
"resurrection, she who shall rise again"
"clear, bright, famous"
"my father is God"
"heavenly, divine"
"honey"
"rose garden"
"God is my strength, God is my warrior"
"dark-feathered bird, the raven"
"of the clan of Bricius"
"lily, rose"
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.