Prosečne GPS koordinate za poštanski broj 709-3412: 34.982, 133.881
Spisak gradova:
>> Koyama 709-3412, Okayamaken, Kumegun'Asahichou, GPS koordinate: 34.9817,133.881
Spisak gradova:
>> Koyama 709-3412, Okayamaken, Kumegun'Asahichou, GPS koordinate: 34.9817,133.881