The flight distance from Denver International Airport (DEN) in Denver, United States to Okushiri Airport (OIR) in Okushiri Airport, Japan is 8,851 kilometers (5,500 miles / 4,779 nautical miles). The estimated flight time for this route is approximately 11h, flying northwest at a heading of 317°.

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 06:30 in Denver, it's 21:30 in Okushiri Airport. 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 5,273 feet between the two airports. Okushiri Airport sits lower than Denver International Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Okushiri Airport (OIR) to Denver (DEN) follows a heading of 45° (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 Denver International Airport (DEN) and Okushiri Airport (OIR) detail pages, or use our flight duration calculator to compare other routes.