The distance from Tribhuvan International Airport (KTM) to Louisville Muhammad Ali International Airport (SDF) is 7849 miles or 12632 kilometers or 6816 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.
12632 kilometers is the direct flight distance between Tribhuvan International Airport (Nepal) and Louisville Muhammad Ali International Airport (United States).
How long does it take to travel from Kathmandu ( Nepal ) to Louisville ( United States )?
A one-way nonstop (direct) flight between Kathmandu and Louisville takes around 18 hours 2 minutes.
Estimated
flight time from Tribhuvan International Airport, Kathmandu, Nepal to Louisville Muhammad Ali International Airport, Louisville, United States is
18 hours 2 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 - SDF
| Kilometers | | 12632 km |
| Statute Miles | | 7849 miles |
| Nautical Miles | | 6816 nm |
| Avg. Time of Flight | | 18 hours 2 minutes |
Tribhuvan International Airport to Louisville Muhammad Ali International Airport Flight Route Map - KTM to SDF Flight Path
Location of Tribhuvan International Airport & Louisville Muhammad Ali International Airport is given below.
Click the map to view Kathmandu to Louisville nonstop flight path and travel direction.
Click to see flight route on Google Map between Kathmandu, Nepal and Louisville, United States. .
Nonstop flight route between Kathmandu, Nepal and Louisville, United States.
Time Difference Between the Airports • KTM - SDF
Time difference between
Kathmandu (Nepal) and
Louisville (United States) is 10 Hours 45 Minutes.
Louisville time is 10 Hours 45 Minutes behind Kathmandu.
| Location | Local Time |
| Kathmandu (Nepal) | 2025-12-15, 21:28:26 +0545 |
| Louisville (United States) | 2025-12-15, 10:43:26 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.