The distance from Tulsa International Airport (TUL) to Tribhuvan International Airport (KTM) is 8021 miles or 12909 kilometers or 6966 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.
12909 kilometers is the direct flight distance between Tulsa International Airport (United States) and Tribhuvan International Airport (Nepal).
How long does it take to travel from Tulsa ( United States ) to Kathmandu ( Nepal )?
A one-way nonstop (direct) flight between Tulsa and Kathmandu takes around 18 hours 26 minutes.
Estimated
flight time from Tulsa International Airport, Tulsa, United States to Tribhuvan International Airport, Kathmandu, Nepal is
18 hours 26 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 • TUL - KTM
| Kilometers | | 12909 km |
| Statute Miles | | 8021 miles |
| Nautical Miles | | 6966 nm |
| Avg. Time of Flight | | 18 hours 26 minutes |
Tulsa International Airport to Tribhuvan International Airport Flight Route Map - TUL to KTM Flight Path
Location of Tulsa International Airport & Tribhuvan International Airport is given below.
Click the map to view Tulsa to Kathmandu nonstop flight path and travel direction.
Click to see flight route on Google Map between Tulsa, United States and Kathmandu, Nepal. .
Nonstop flight route between Tulsa, United States and Kathmandu, Nepal.
Time Difference Between the Airports • TUL - KTM
Time difference between
Tulsa (United States) and
Kathmandu (Nepal) is 10 Hours 45 Minutes.
Kathmandu time is 10 Hours 45 Minutes ahead of Tulsa.
| Location | Local Time |
| Tulsa (United States) | 2026-11-04, 04:22:17 EST |
| Kathmandu (Nepal) | 2026-11-04, 15:07:17 +0545 |
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.