Osaka International Airport (ITM) is the origin airport and Naha Airport (OKA) is the destination airport.
ITM and OKA are approximately 753 miles apart by great-circle distance.
Yes. Roame's current schedule feed shows nonstop service from ITM to OKA.
Airlines represented in the current schedule are China Airlines (CI), Japan Airlines (JL), All Nippon Airways (NH) and Japan Transocean Air (NU).
Aircraft listed in the current schedule include Airbus A321 (321), Airbus A350-900 (359), Boeing 737-800 (738), Boeing 737-800 Winglets (73H), Boeing 767-300 (763), Boeing 777-200 / Boeing 777-200ER (772), Boeing 777-300 (773), Boeing 787-10 (781), Boeing 787-8 (788) and Boeing 787-9 (789).