London sits next to 4 phonetic neighbors — Landon, Brandon, and Jordan are the closest matches by sound. Most share London's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"great river, wide flowing water"
"wise, judicious"
"joy, laughter"
"bright, splendid"
"God-like"
"heel, sharp point"
"earth"
"associated with luxury and elegance"
"salvation of the Lord (via Isaiah element)"
"serious, determined, vigorous"
"great one, straining force"
"small, junior"
"may God protect"
"God has given, gift"
"son of Anne, son of Agnes"
"possession, acquisition"
"who is like God?"
"awareness, understanding, learning"
"overseer, superintendent"
"youthful"
"crow, raven"
Similar sound: These names share phonetic patterns with London — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Celtic/Latin 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.