The flight distance from Tribhuvan International Airport (KTM) in Kathmandu, Nepal to San Ramon Airport (SRD) in San Ramon / Mamore, Bolivia is 16,513 kilometers (10,260 miles / 8,916 nautical miles). The estimated flight time for this route is approximately 20h, flying west northwest at a heading of 291°.

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 Nepal with Bolivia. It is an intercontinental flight between Asia and South America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 11:01 in Kathmandu, it's 01:16 in San Ramon / Mamore. With a 9.75-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 3,692 feet between the two airports. San Ramon Airport sits lower than Tribhuvan International Airport.

The return flight from San Ramon / Mamore (SRD) to Kathmandu (KTM) follows a heading of 58° (east 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 Tribhuvan International Airport (KTM) and San Ramon Airport (SRD) detail pages, or use our flight duration calculator to compare other routes.