Distance From Dulles International Airport to Tribhuvan Airport (IAD - KTM Distance)
The flight distance from Dulles International Airport (IAD) to Tribhuvan Airport (KTM) is 7701 miles. This is equivalent to 12393 kilometers or 6687 nautical miles. The distance shown below is the straight line distance (may be called as flying or air distance) or direct flight distance between airports.
12393 kilometers is the distance from Dulles International Airport, United States to Tribhuvan Airport, Nepal.
Flight Duration between Washington, United States and Kathmandu, Nepal
Estimated flight time from Dulles International Airport, Washington, United States to Tribhuvan Airport, Kathmandu, Nepal is 15 hours 24 minutes under avarage conditions. The flight time calculator assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/hr or 434 knots. Your actual flying time may vary depending on wind speeds or weather conditions.
Time Difference Between the Airports • IAD - KTM
Time difference between Washington (United States) and Kathmandu (Nepal) is 9 Hours 45 Minutes.
Current local time in Washington is 2025-08-22, 21:26:13 EDT and time in Kathmandu is 2025-08-23, 07:11:13 +0545.
Kathmandu time is 9 Hours 45 Minutes ahead of Washington.
Dulles International Airport to Tribhuvan Airport Flight Route Map - IAD to KTM Flight Path
Location of Dulles International Airport & Tribhuvan Airport is given below.Click the map to view Washington to Kathmandu nonstop flight path and travel direction.




























Click to see flight route on Google Map between Washington, United States and Kathmandu, Nepal. .
Nonstop flight route between Washington, United States and Kathmandu, Nepal.
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City: | Washington |
Country: | United States ![]() |
IATA Code: | IAD |
ICAO Code: | KIAD |
GPS Coordinates: | Latitude: N 38° 56' 40.3'' Longitude: W 77° 27' 20.9'' |
Current time: | 2025-08-22, 21:26:13 EDT |
Current weather: |
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City: | Kathmandu |
Country: | Nepal ![]() |
IATA Code: | KTM |
ICAO Code: | VNKT |
GPS Coordinates: | Latitude: N 27° 41' 47.8'' Longitude: E 85° 21' 32.8'' |
Current time: | 2025-08-23, 07:11:13 +0545 |
Current weather: |
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Flights: |
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