The flight distance from D. Casimiro Szlapelis Airport (ARR) in Alto Rio Senguerr, Argentina to London Heathrow Airport (LHR) in London, United Kingdom is 12,665 kilometers (7,870 miles / 6,839 nautical miles). The estimated flight time for this route is approximately 16h, flying northeast at a heading of 40°.

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

Time zone information: When it's 05:31 in Alto Rio Senguerr, it's 09:31 in London. The 4-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 2,203 feet between the two airports. London Heathrow Airport sits lower than D. Casimiro Szlapelis Airport.

The return flight from London (LHR) to Alto Rio Senguerr (ARR) follows a heading of 227° (southwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the D. Casimiro Szlapelis Airport (ARR) and London Heathrow Airport (LHR) detail pages, or use our flight duration calculator to compare other routes.