The flight distance from London Heathrow Airport (LHR) in London, United Kingdom to Marion Municipal Airport (MNN) in Marion, United States is 6,142 kilometers (3,816 miles / 3,316 nautical miles). The estimated flight time for this route is approximately 8h, flying west northwest at a heading of 294°.

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

Time zone information: When it's 17:30 in London, it's 12:30 in Marion. The 5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Marion (MNN) to London (LHR) follows a heading of 49° (northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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