London sits next to 4 phonetic neighbors — Brooklyn, Lennon, and Lyndon are the closest matches by sound. Most share London's English place name-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"from the city of London"
"queen"
"hazel wood clearing (interpretive)"
"graceful beauty"
"pale meadow"
"cold, dark season of rest and renewal"
"hill meadow"
"the sea"
"bright one"
"pleasant meadow"
"noble, free-born youth in service of the temple"
"bitter"
"orange tree"
"messenger of God; angel"
"of the Julian family"
"goddess of spring"
"pleasant wood; meadow near a lake"
"shelter, sanctuary"
"grace, favor"
Similar sound: These names share phonetic patterns with London — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have English place name origins, giving them the same cultural heritage as London.
Rhythm: London is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.