- Okadama Airport (OKD) is a small domestic airport located in Sapporo, Hokkaido, Japan. It mainly serves as a base for general aviation and flight training. Okadama Airport offers flights to various destinations within Hokkaido, including cities like Hakodate, Memanbetsu, Kushiro, and Nemuro. It is smaller in size compared to New Chitose Airport, which is the main international airport in Sapporo.