Airport Marechal Cunha Machado Intl is located in Brazil near the city of Sao Luis. The international codes of Marechal Cunha Machado Intl airport are ICAO: SBSL and IATA: SLZ. Marechal Cunha Machado Intl is located at latitude -2.58536 and longitude -44.2341. The elevation above sea level is 178ft (54m). Local timezone at the airport is UTC/GMT -3:00 hours.