The flight distance from Chicago O'Hare International Airport (ORD) in Chicago, United States to Teniente Benjamin Matienzo Airport (TUC) in San Miguel de Tucuman, Argentina is 8,003 kilometers (4,973 miles / 4,321 nautical miles). The estimated flight time for this route is approximately 10h, flying south southeast at a heading of 159°.

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 Argentina. 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 05:36 in Chicago, it's 08:36 in San Miguel de Tucuman. The 3-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from San Miguel de Tucuman (TUC) to Chicago (ORD) follows a heading of 342° (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 Chicago O'Hare International Airport (ORD) and Teniente Benjamin Matienzo Airport (TUC) detail pages, or use our flight duration calculator to compare other routes.