The flight distance from London Heathrow Airport (LHR) in London, United Kingdom to Mammoth Yosemite Airport (MMH) in Mammoth Lakes, United States is 8,444 kilometers (5,247 miles / 4,559 nautical miles). The estimated flight time for this route is approximately 11h, flying northwest at a heading of 314°.

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 16:11 in London, it's 08:11 in Mammoth Lakes. With a 8-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 7,052 feet between the two airports. Mammoth Yosemite Airport sits higher than London Heathrow Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Mammoth Lakes (MMH) to London (LHR) follows a heading of 34° (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 Mammoth Yosemite Airport (MMH) detail pages, or use our flight duration calculator to compare other routes.