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Airport Comparison
Colombo (CMB) to St. Mary's (ISC) Flight Distance
The flight distance from Bandaranaike International Apt Colombo Airport (CMB) in Colombo, Sri Lanka to St. Mary's Airport (ISC) in St. Mary's, United Kingdom is 9,124 kilometers (5,669 miles / 4,926 nautical miles). The estimated flight time for this route is approximately 12h, flying northwest at a heading of 320°.
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 Sri Lanka with United Kingdom. It is an intercontinental flight between Asia and Europe. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.
Time zone information: When it's 13:05 in Colombo, it's 08:35 in St. Mary's. The 4.5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.
The return flight from St. Mary's (ISC) to Colombo (CMB) follows a heading of 88° (east). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.
For more information about these airports, visit the Bandaranaike International Apt Colombo Airport (CMB) and St. Mary's Airport (ISC) detail pages, or use our flight duration calculator to compare other routes.
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