The flight distance from Sihanoukville International Airport (KOS) in Sihanukville, Cambodia to Narita International Airport (NRT) in Tokyo, Japan is 4,639 kilometers (2,882 miles / 2,505 nautical miles). The estimated flight time for this route is approximately 6h, flying northeast at a heading of 47°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

This is an international route connecting Cambodia with Japan. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 23:58 in Sihanukville, it's 01:58 in Tokyo.

The return flight from Tokyo (NRT) to Sihanukville (KOS) follows a heading of 242° (west southwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Sihanoukville International Airport (KOS) and Narita International Airport (NRT) detail pages, or use our flight duration calculator to compare other routes.