The flight distance from South Big Horn County Airport (GEY) in Greybull, United States to Quatro De Fevereiro Airport (LAD) in Luanda, Angola is 13,154 kilometers (8,174 miles / 7,103 nautical miles). The estimated flight time for this route is approximately 16h, flying east northeast at a heading of 73°.

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

Time zone information: When it's 03:00 in Greybull, it's 11:00 in Luanda. With a 8-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 3,699 feet between the two airports. Quatro De Fevereiro Airport sits lower than South Big Horn County Airport.

The return flight from Luanda (LAD) to Greybull (GEY) follows a heading of 316° (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 South Big Horn County Airport (GEY) and Quatro De Fevereiro Airport (LAD) detail pages, or use our flight duration calculator to compare other routes.