The main international airport serving Kathmandu valley is the Tribhuvan International Airport, about  from the city centre and is operated by the Civil Aviation Authority of Nepal. It has two terminals, one domestic and one international. At present, it connects 30 cities around the globe in Europe, Asia and the Middle East such as Istanbul, Delhi, Mumbai, Bangalore, Kolkata, Singapore, Bangkok, Kuala Lumpur, Dhaka, Paro, Lhasa, Chengdu, Guangzhou and Hong Kong. Since 2013, Turkish Airlines connects Istanbul to Kathmandu. Oman Air also connects Muscat to Kathmandu since 2010. Nepal Airlines started flying to Tokyo-Narita from 2 March 2020. Regionally, several Nepali airlines operate from the city, including Buddha Air, Nepal Airlines, Shree Airlines and Yeti Airlines to other major towns across Nepal.