The flight distance from Nuevo Aeropuerto Internacional Mariscal Sucre (UIO) in Quito, Ecuador to Udon Thani Airport (UTH) in Udon Thani, Thailand is 18,092 kilometers (11,242 miles / 9,769 nautical miles). The estimated flight time for this route is approximately 22h, flying north at a heading of 356°.

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 Ecuador with Thailand. 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 23:55 in Quito, it's 11:55 in Udon Thani. 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 8,621 feet between the two airports. Udon Thani Airport sits lower than Nuevo Aeropuerto Internacional Mariscal Sucre. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Udon Thani (UTH) to Quito (UIO) follows a heading of 4° (north). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Nuevo Aeropuerto Internacional Mariscal Sucre (UIO) and Udon Thani Airport (UTH) detail pages, or use our flight duration calculator to compare other routes.