The flight distance from St. Mary's Airport (ISC) in St. Mary's, United Kingdom to Kuala Lumpur International Airport (KUL) in Kuala Lumpur, Malaysia is 11,045 kilometers (6,863 miles / 5,964 nautical miles). The estimated flight time for this route is approximately 14h, flying east northeast at a heading of 74°.

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

Time zone information: When it's 18:40 in St. Mary's, it's 02:40 in Kuala Lumpur. 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.

The return flight from Kuala Lumpur (KUL) to St. Mary's (ISC) follows a heading of 322° (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 St. Mary's Airport (ISC) and Kuala Lumpur International Airport (KUL) detail pages, or use our flight duration calculator to compare other routes.