- Marmul Airport is a small airport located in Marmul, in the Dhofar Governorate of Oman. It is primarily used for domestic flights and serves as a hub for Petroleum Development Oman's (PDO) operations in the region. The airport has a single asphalt runway and facilities for handling small aircraft. It mainly caters to the transportation needs of the local oil and gas industry and supports the development and exploration activities in the area.