Gjennomsnittlig GPS-koordinater for postnummer 300-0810: 36.064, 140.173
Notering byer:
>> Nagakunidai 300-0810, Ibarakiken, Tsuchiurashi, GPS-koordinater: 36.0639,140.1728
Notering byer:
>> Nagakunidai 300-0810, Ibarakiken, Tsuchiurashi, GPS-koordinater: 36.0639,140.1728