The flight distance from California Redwood Coast-Humboldt County Airport (ACV) in Arcata/Eureka, United States to Madrid Barajas International Airport (MAD) in Madrid, Spain is 9,151 kilometers (5,686 miles / 4,941 nautical miles). The estimated flight time for this route is approximately 12h, flying northeast at a heading of 41°.

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 Spain. It is an intercontinental flight between North America and Europe. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 22:21 in Arcata/Eureka, it's 07:21 in Madrid. With a 9-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 1,779 feet between the two airports. Madrid Barajas International Airport sits higher than California Redwood Coast-Humboldt County Airport.

The return flight from Madrid (MAD) to Arcata/Eureka (ACV) follows a heading of 319° (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 California Redwood Coast-Humboldt County Airport (ACV) and Madrid Barajas International Airport (MAD) detail pages, or use our flight duration calculator to compare other routes.