The flight distance from St Louis Regional Airport (ALN) in Alton/St Louis, United States to Sir Seewoosagur Ramgoolam International Airport (MRU) in Port Louis, Mauritius is 16,313 kilometers (10,137 miles / 8,808 nautical miles). The estimated flight time for this route is approximately 20h, flying east northeast at a heading of 66°.

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

Time zone information: When it's 10:44 in Alton/St Louis, it's 20:44 in Port Louis. With a 10-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 Port Louis (MRU) to Alton/St Louis (ALN) follows a heading of 311° (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 Louis Regional Airport (ALN) and Sir Seewoosagur Ramgoolam International Airport (MRU) detail pages, or use our flight duration calculator to compare other routes.