Prosečne GPS koordinate za poštanski broj 311-0321: 36.593, 140.542
Spisak gradova:
>> Harutomochou 311-0321, Ibarakiken, Hitachiootashi, GPS koordinate: 36.5927,140.5424
Spisak gradova:
>> Harutomochou 311-0321, Ibarakiken, Hitachiootashi, GPS koordinate: 36.5927,140.5424