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How far is Kathmandu from Washington D.C.?

The distance between Washington D.C. (Ronald Reagan Washington National Airport) and Kathmandu (Tribhuvan International Airport) is 7714 miles / 12415 kilometers / 6703 nautical miles.

Ronald Reagan Washington National Airport – Tribhuvan International Airport

Distance arrow
7714
Miles
Distance arrow
12415
Kilometers
Distance arrow
6703
Nautical miles
Flight time duration
15 h 6 min
Time Difference
10 h 45 min
CO2 emission
957 kg

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Distance from Washington D.C. to Kathmandu

There are several ways to calculate the distance from Washington D.C. to Kathmandu. Here are two standard methods:

Vincenty's formula (applied above)
  • 7714.020 miles
  • 12414.512 kilometers
  • 6703.300 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 7700.427 miles
  • 12392.636 kilometers
  • 6691.488 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Washington D.C. to Kathmandu?

The estimated flight time from Ronald Reagan Washington National Airport to Tribhuvan International Airport is 15 hours and 6 minutes.

Flight carbon footprint between Ronald Reagan Washington National Airport (DCA) and Tribhuvan International Airport (KTM)

On average, flying from Washington D.C. to Kathmandu generates about 957 kg of CO2 per passenger, and 957 kilograms equals 2 109 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Washington D.C. to Kathmandu

See the map of the shortest flight path between Ronald Reagan Washington National Airport (DCA) and Tribhuvan International Airport (KTM).

Airport information

Origin Ronald Reagan Washington National Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: DCA
ICAO Code: KDCA
Coordinates: 38°51′7″N, 77°2′15″W
Destination Tribhuvan International Airport
City: Kathmandu
Country: Nepal Flag of Nepal
IATA Code: KTM
ICAO Code: VNKT
Coordinates: 27°41′47″N, 85°21′32″E