O'Fallon is a populated place located in St. Charles County, Missouri. It appears on the O'Fallon USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 541.34 feet (165.00 m) above sea level.
St. Charles County · Missouri
O'Fallon is a populated place located in St. Charles County, Missouri. It appears on the O'Fallon USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 541.34 feet (165.00 m) above sea level.