The flight distance from Guarulhos - Governador Andre Franco Montoro International Airport (GRU) in Sao Paulo, Brazil to Seosan Air Base (HMY) in Seosan, South Korea is 18,394 kilometers (11,429 miles / 9,932 nautical miles). The estimated flight time for this route is approximately 23h, flying north northeast at a heading of 23°.

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 Brazil with South Korea. It is an intercontinental flight between South America and Asia. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 13:50 in Sao Paulo, it's 01:50 in Seosan. With a 12-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 2,420 feet between the two airports. Seosan Air Base sits lower than Guarulhos - Governador Andre Franco Montoro International Airport.

The return flight from Seosan (HMY) to Sao Paulo (GRU) follows a heading of 333° (north 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 Guarulhos - Governador Andre Franco Montoro International Airport (GRU) and Seosan Air Base (HMY) detail pages, or use our flight duration calculator to compare other routes.