Linked from
The 17 pages that link to Hamming distance, each with the reason it gives.
Reed–Solomon codeRelated: Reed–Solomon distance counts differing symbols, not differing bits.
Coding theoryRelated: Minimum distance determines how many errors a code can detect or correct.
Parity bitRelated: Parity detects any odd number of bit flips because those flips change parity.
Gray codeRelated: Consecutive Gray-code words have Hamming distance one.
Karnaugh mapRelated: Adjacent cells correspond to input patterns at Hamming distance one.