3hr 55min to 4hr 15min Manila (MNL) to Tokyo Narita (NRT) by a nonstop flight operated by Northwest Airlines, Philippine Airlines or Japan Airlines.
Flight time estimates about 12 hours and 35 minutes from London Hearthrow to Tokyo Narita Int'l Airport.
7hr 35min Tokyo Narita (NRT) to Kuala Lumpur (KUL) by a nosntop flight operated by Malaysia Airlines.
A typical flight between Narita, Japan and JFK would have a flying time of about 13 hours, 29 minutes.
11hr 10min Auckland (AKL) to Tokyo Narita (NRT) by a nonstop flight operated by Air New Zealand.
11hr 35min to 11hr 55min London Heathrow (LHR) to Tokyo Narita (NRT) by a nonstop flight operated by ANA, British Airways or Virgin Atlantic.
The flight time from Tokyo, Japan to Philippines is: 4 hours, 20 minutes
15 hours 45 minutes via Tokyo Narita airport
According to the flight booking page of the website of JAL, a Japanese airline, it takes 10 hours.
A flight from Melbourne, Australia to Tokyo, Japan will take about 10 hours.
Houston, TX (HOU) to Tokyo (TYO)Shortest Flight Duration 13 hours 30 mins Form TYO back to Houston is only 11 hrs. due to jet stream
"How long does it take to fly from Japan to China?" Your question requires more detail. Remember Japan is a country with many cities; geographically Japan is in China. However an example of flight time between the two regions would be from Tokyo Japan to Bejing China which is roughly 4 hours. And the expereince is breathtaking. Best wishes & Fly safe! i fort it was all one country :)