The distance from Tribhuvan International Airport (KTM) to San Antonio International Airport (SAT) is 8475 miles or 13638 kilometers or 7359 nautical miles.
The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.
13638 kilometers is the direct flight distance between Tribhuvan International Airport (Nepal) and San Antonio International Airport (United States).
How long does it take to travel from Kathmandu ( Nepal ) to San Antonio ( United States )?
A one-way nonstop (direct) flight between Kathmandu and San Antonio takes around 19 hours 28 minutes.
Estimated
flight time from Tribhuvan International Airport, Kathmandu, Nepal to San Antonio International Airport, San Antonio, United States is
19 hours 28 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.
Travel Distance Between the Airports • KTM - SAT
| Kilometers | | 13638 km |
| Statute Miles | | 8475 miles |
| Nautical Miles | | 7359 nm |
| Avg. Time of Flight | | 19 hours 28 minutes |
Tribhuvan International Airport to San Antonio International Airport Flight Route Map - KTM to SAT Flight Path
Location of Tribhuvan International Airport & San Antonio International Airport is given below.
Click the map to view Kathmandu to San Antonio nonstop flight path and travel direction.
Click to see flight route on Google Map between Kathmandu, Nepal and San Antonio, United States. .
Nonstop flight route between Kathmandu, Nepal and San Antonio, United States.
Time Difference Between the Airports • KTM - SAT
Time difference between
Kathmandu (Nepal) and
San Antonio (United States) is 12 Hours 45 Minutes.
San Antonio time is 12 Hours 45 Minutes behind Kathmandu.
| Location | Local Time |
| Kathmandu (Nepal) | 2025-12-15, 04:07:41 +0545 |
| San Antonio (United States) | 2025-12-14, 15:22:41 MST |
Why should you arrive 3 hours before international flight?
Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.