The distance from Sunnys Field Airport () to Tribhuvan International Airport (KTM) is 7863 miles or 12654 kilometers or 6828 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.
12654 kilometers is the direct flight distance between Sunnys Field Airport (United States) and Tribhuvan International Airport (Nepal).
How long does it take to travel from Leslie ( United States ) to Kathmandu ( Nepal )?
A one-way nonstop (direct) flight between Leslie and Kathmandu takes around 18 hours 4 minutes.
Estimated
flight time from Sunnys Field Airport, Leslie, United States to Tribhuvan International Airport, Kathmandu, Nepal is
18 hours 4 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
| Kilometers | | 12654 km |
| Statute Miles | | 7863 miles |
| Nautical Miles | | 6828 nm |
| Avg. Time of Flight | | 18 hours 4 minutes |
Sunnys Field Airport to Tribhuvan International Airport Flight Route Map - to KTM Flight Path
Location of Sunnys Field Airport & Tribhuvan International Airport is given below.
Click the map to view Leslie to Kathmandu nonstop flight path and travel direction.
Click to see flight route on Google Map between Leslie, United States and Kathmandu, Nepal. .
Nonstop flight route between Leslie, United States and Kathmandu, Nepal.
Time Difference Between the Airports • - KTM
Time difference between
Leslie (United States) and
Kathmandu (Nepal) is 9 Hours 45 Minutes.
Kathmandu time is 9 Hours 45 Minutes ahead of Leslie.
| Location | Local Time |
| Leslie (United States) | 2026-03-20, 14:58:43 EDT |
| Kathmandu (Nepal) | 2026-03-21, 00:43:43 +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.