Air distance from Tokyo Japan to Niamey Niger is 8065.8 Miles (12980.6 Kilometers / 7004.3 Nautical Miles).
See Tokyo and Niamey time difference

Flight duration time from Tokyo to Niamey

Flight duration time from Tokyo Japan to Niamey Niger is 16 hrs, 44 mins. This is the In-The-Air flight time. You should also add the taxi time, airport wait times and possible delays due to bad weather, etc. for the total flight duration time.