The flight distance from Henry Post Army Air Field (Fort Sill) Airport (FSI) in Fort Sill, United States to Nuevo Aeropuerto Internacional Mariscal Sucre (UIO) in Quito, Ecuador is 4,393 kilometers (2,730 miles / 2,372 nautical miles). The estimated flight time for this route is approximately 6h, flying south southeast at a heading of 147°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

This is an international route connecting United States with Ecuador. It is an intercontinental flight between North America and South America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 08:23 in Fort Sill, it's 09:23 in Quito.

There is a significant elevation difference of 8,012 feet between the two airports. Nuevo Aeropuerto Internacional Mariscal Sucre sits higher than Henry Post Army Air Field (Fort Sill) Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Quito (UIO) to Fort Sill (FSI) follows a heading of 334° (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 Henry Post Army Air Field (Fort Sill) Airport (FSI) and Nuevo Aeropuerto Internacional Mariscal Sucre (UIO) detail pages, or use our flight duration calculator to compare other routes.