Latitude and longitude of O'Fallon, Illinois

Satellite map of O'Fallon, Illinois

O'Fallon is a city in St. Clair County, Illinois, United States, and one of the fastest-growing communities in the Metropolitan St. Louis area. The 2010 census listed the city's population at 28,281. The city is the third largest city in the Metro-East region and Southern Illinois.

Population: 28,281

Latitude: 38° 35' 32.17" N
Longitude: -89° 54' 40.36" W

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GPS coordinates of O'Fallon, Illinois, United States

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