Going from Korean to Georgian (ქართული) has a composite linguistic distance of 75% (heuristic estimate). Below is the dimension-by-dimension breakdown.
Shared vocabulary, cognates, and loanwords.
Morphology, syntax, word order, cases.
Shared sounds and phoneme inventory.
Hangul → Georgian
Koreanic ↔ Kartvelian
The 5 languages with the lowest linguistic distance from Korean:
A quick 3-question check between Korean and Georgian. No signup.