Oak Grove is a town located in the Virginia region of the United States. During the most recent census, Oak Grove had a population of 1,777. Oak Grove is the 225th most poplulated city in the Virginia region, the 10,612th most populated city in the United States and the 45,768th most populated city in the world. Oak Grove is in the America/New York timezone which is 4 hours behind UTC. Oak Grove adjusts the hour with daylight savings time during the winter months.
Oak Grove is located near sea level (119 meters / 390 feet). The closest cities to Oak Grove are Herndon (2.2 km / 1.4 miles), Sterling (3.3 km / 2.0 miles), Floris (5.3 km / 3.3 miles), Reston (5.7 km / 3.5 miles) and Dulles Town Center (6.1 km / 3.8 miles)