O'Donnell is a populated place located in Howard County, Maryland. It appears on the Ellicott City USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 474.16 feet (144.52 m) above sea level.
Howard County · Maryland
O'Donnell is a populated place located in Howard County, Maryland. It appears on the Ellicott City USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 474.16 feet (144.52 m) above sea level.