The flight distance from Harry Reid International Airport (LAS) in Las Vegas, United States to Roberts International Airport (ROB) in Monrovia, Liberia is 10,910 kilometers (6,779 miles / 5,891 nautical miles). The estimated flight time for this route is approximately 14h, flying east northeast at a heading of 76°.

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 Liberia. 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 22:51 in Las Vegas, it's 06:51 in Monrovia. 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 2,150 feet between the two airports. Roberts International Airport sits lower than Harry Reid International Airport.

The return flight from Monrovia (ROB) to Las Vegas (LAS) follows a heading of 308° (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 Harry Reid International Airport (LAS) and Roberts International Airport (ROB) detail pages, or use our flight duration calculator to compare other routes.