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"
"fair, white, blessed"
"royal fortress meadow"
"divine messenger"
"extraordinary wonder, divine act"
"from Milan; from the middle plain"
"bent river"
"graceful beauty"
"son of Coinneach, the fair one"
"wise, knowing"
"strong, noble, high"
"olive tree"
"symbol of victory and honor"
"exalted, lofty, sublime"
"grace, favor"
"from the River Severn (Sabrina Fluvius)"
"elf ruler"
"woman from Magdala"
"Wish fulfilled"
"my God is an oath"
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.