The flight distance from Casper/Natrona County International Airport (CPR) in Casper, United States to Narita International Airport (NRT) in Tokyo, Japan is 8,957 kilometers (5,565 miles / 4,836 nautical miles). The estimated flight time for this route is approximately 12h, flying northwest at a heading of 311°.

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 10:16 in Casper, it's 02:16 in Tokyo. With a 16-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 5,203 feet between the two airports. Narita International Airport sits lower than Casper/Natrona County International Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Tokyo (NRT) to Casper (CPR) 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 Casper/Natrona County International Airport (CPR) and Narita International Airport (NRT) detail pages, or use our flight duration calculator to compare other routes.