The flight distance from South Big Horn County Airport (GEY) in Greybull, United States to Narita International Airport (NRT) in Tokyo, Japan is 8,741 kilometers (5,432 miles / 4,720 nautical miles). The estimated flight time for this route is approximately 11h, flying northwest at a heading of 310°.

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 United States with Japan. It is an intercontinental flight between North America and Asia. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 05:30 in Greybull, it's 20:30 in Tokyo. With a 15-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 3,801 feet between the two airports. Narita International Airport sits lower than South Big Horn County Airport.

The return flight from Tokyo (NRT) to Greybull (GEY) follows a heading of 43° (northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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