The flight distance from London Heathrow Airport (LHR) in London, United Kingdom to Everett-Stewart Regional Airport (UCY) in Union City, United States is 6,841 kilometers (4,251 miles / 3,694 nautical miles). The estimated flight time for this route is approximately 9h, 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 16:06 in London, it's 10:06 in Union City. With a 6-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

The return flight from Union City (UCY) to London (LHR) follows a heading of 45° (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 Everett-Stewart Regional Airport (UCY) detail pages, or use our flight duration calculator to compare other routes.