The distance from Biratnagar Airport (BIR) to Tulsa International Airport (TUL) is 8101 miles or 13037 kilometers or 7035 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.
13037 kilometers is the direct flight distance between Biratnagar Airport (Nepal) and Tulsa International Airport (United States).
How long does it take to travel from Biratnagar ( Nepal ) to Tulsa ( United States )?
A one-way nonstop (direct) flight between Biratnagar and Tulsa takes around 18 hours 37 minutes.
Estimated
flight time from Biratnagar Airport, Biratnagar, Nepal to Tulsa International Airport, Tulsa, United States is
18 hours 37 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 • BIR - TUL
| Kilometers | | 13037 km |
| Statute Miles | | 8101 miles |
| Nautical Miles | | 7035 nm |
| Avg. Time of Flight | | 18 hours 37 minutes |
Biratnagar Airport to Tulsa International Airport Flight Route Map - BIR to TUL Flight Path
Location of Biratnagar Airport & Tulsa International Airport is given below.
Click the map to view Biratnagar to Tulsa nonstop flight path and travel direction.
Click to see flight route on Google Map between Biratnagar, Nepal and Tulsa, United States. .
Nonstop flight route between Biratnagar, Nepal and Tulsa, United States.
Time Difference Between the Airports • BIR - TUL
Time difference between
Biratnagar (Nepal) and
Tulsa (United States) is 10 Hours 45 Minutes.
Tulsa time is 10 Hours 45 Minutes behind Biratnagar.
| Location | Local Time |
| Biratnagar (Nepal) | 2025-12-17, 13:24:04 +0545 |
| Tulsa (United States) | 2025-12-17, 02:39:04 EST |
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.