Prosečne GPS koordinate za poštanski broj 306-0314: 36.128, 139.722
Spisak gradova:
>> Kawatsuma 306-0314, Ibarakiken, Sashimagungokamachi, GPS koordinate: 36.1282,139.7218
Spisak gradova:
>> Kawatsuma 306-0314, Ibarakiken, Sashimagungokamachi, GPS koordinate: 36.1282,139.7218