Prosečne GPS koordinate za poštanski broj 309-1724: 36.38, 140.243
Spisak gradova:
>> Oogoyama 309-1724, Ibarakiken, Nishiibarakiguntomobemachi, GPS koordinate: 36.3798,140.2431
Spisak gradova:
>> Oogoyama 309-1724, Ibarakiken, Nishiibarakiguntomobemachi, GPS koordinate: 36.3798,140.2431