- Kosti Airport is a small domestic airport located in Kosti, a city in the White Nile state of Sudan. It serves as a gateway for travelers to access the region, primarily through domestic flights. The airport is located approximately 365 kilometers south of the capital city, Khartoum. Kosti Airport mostly caters to regional flights within Sudan, connecting to major cities such as Khartoum, Port Sudan, and Nyala.