Prosečne GPS koordinate za poštanski broj 300-4351: 36.224, 140.063
Spisak gradova:
>> Kamiooshima 300-4351, Ibarakiken, Tsukubashi, GPS koordinate: 36.2239,140.0634
Spisak gradova:
>> Kamiooshima 300-4351, Ibarakiken, Tsukubashi, GPS koordinate: 36.2239,140.0634