The flight distance from Adak Airport (ADK) in Adak Island, United States to Juan Santamaria International Airport (SJO) in San Jose, Costa Rica is 9,301 kilometers (5,779 miles / 5,022 nautical miles). The estimated flight time for this route is approximately 12h, flying east at a heading of 82°.

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

This is an international route connecting United States with Costa Rica. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 14:49 in Adak Island, it's 18:49 in San Jose. The 4-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 3,002 feet between the two airports. Juan Santamaria International Airport sits higher than Adak Airport.

The return flight from San Jose (SJO) to Adak Island (ADK) follows a heading of 322° (northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Adak Airport (ADK) and Juan Santamaria International Airport (SJO) detail pages, or use our flight duration calculator to compare other routes.