The flight distance from San Luis Valley Regional/Bergman Field (ALS) in Alamosa, United States to New Chitose Airport (CTS) in Chitose / Tomakomai, Japan is 8,787 kilometers (5,460 miles / 4,744 nautical miles). The estimated flight time for this route is approximately 11h, flying northwest at a heading of 316°.

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 17:20 in Alamosa, it's 08:20 in Chitose / Tomakomai. 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 7,458 feet between the two airports. New Chitose Airport sits lower than San Luis Valley Regional/Bergman Field. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Chitose / Tomakomai (CTS) to Alamosa (ALS) follows a heading of 48° (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 San Luis Valley Regional/Bergman Field (ALS) and New Chitose Airport (CTS) detail pages, or use our flight duration calculator to compare other routes.