Prosečne GPS koordinate za poštanski broj 49757: 45.858, -84.625
Spisak gradova:
>> Mackinac Island 49757, Michigan, Mackinac, GPS koordinate: 45.8578,-84.6245
Spisak gradova:
>> Mackinac Island 49757, Michigan, Mackinac, GPS koordinate: 45.8578,-84.6245