The flight distance from Formosa Airport (FMA) in Formosa, Argentina to Chicago O'Hare International Airport (ORD) in Chicago, United States is 8,173 kilometers (5,078 miles / 4,413 nautical miles). The estimated flight time for this route is approximately 11h, flying north northwest at a heading of 337°.

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

Time zone information: When it's 07:22 in Formosa, it's 04:22 in Chicago. The 3-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Chicago (ORD) to Formosa (FMA) follows a heading of 152° (south southeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Formosa Airport (FMA) and Chicago O'Hare International Airport (ORD) detail pages, or use our flight duration calculator to compare other routes.