Airport Monrovia Roberts Intl is located in Liberia near the city of Monrovia. The international codes of Monrovia Roberts Intl airport are ICAO: GLRB and IATA: ROB. Monrovia Roberts Intl is located at latitude 6.23379 and longitude -10.3623. The elevation above sea level is 31ft (9m). Local timezone at the airport is UTC/GMT 0:00 hours.