Landon sits next to 3 phonetic neighbors — London, Landen, and Lennon are the closest matches by sound. Most share Landon's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"from the long ridge"
"modern invented name"
"joy, music (archaic)"
"God is gracious (via Anna)"
"graceful, beautiful"
"sky blue, the blue of a clear sky"
"free man, warrior"
"son of Piers, descendant of Peter"
"creative modern coinage with melodic sound"
"ruler of the land"
"bearer of good news"
"jasmine flower"
"of the sun, sun-related"
"box tree meadow"
"song, joyful cry of praise"
"Hugh's meadow, woodland clearing"
"pretty, cheerful"
"gift (via Kyra/Kyros)"
"gate of Paradise"
"sun ray (from helios)"
Similar sound: These names share phonetic patterns with Landon — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English origins, giving them the same cultural heritage as Landon.
Rhythm: Landon is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.