Keskmine GPS koordinaadid postiindeks 20560: 38.893, -77.015
videod linnad:
>> Washington 20560, District of Columbia, District of Columbia, GPS koordinaadid: 38.8933,-77.0146
videod linnad:
>> Washington 20560, District of Columbia, District of Columbia, GPS koordinaadid: 38.8933,-77.0146