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"
"woman from Magdala"
"sacred river"
"God is gracious"
"work power, vigor and rule"
"weary, tired"
"star of the sea"
"birch wood clearing"
"royal woodland clearing"
"guardian, watchman"
"from the island of Cyprus"
"God is gracious"
"diminutive of Josephine"
"riverbank dweller (from riparia)"
"joining, fitting together"
"sky, heaven, royalty (via Hawaiian lani)"
"strong, aromatic wood"
"who is like God"
"safe harbor, refuge"
"creative variant of Kinsley"
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.