Prosečne GPS koordinate za poštanski broj 11-042: 53.833, 20.317
Spisak gradova:
>> Jonkowo 11-042, Warmińsko-Mazurskie, olsztyński, GPS koordinate: 53.8333,20.3167
Spisak gradova:
>> Jonkowo 11-042, Warmińsko-Mazurskie, olsztyński, GPS koordinate: 53.8333,20.3167