Air Miles Calculator logo

How far is Perth from Washington D.C.?

The distance between Washington D.C. (Washington Dulles International Airport) and Perth (Perth Airport) is 11543 miles / 18577 kilometers / 10031 nautical miles.

Washington Dulles International Airport – Perth Airport

Distance arrow
11543
Miles
Distance arrow
18577
Kilometers
Distance arrow
10031
Nautical miles
Flight time duration
22 h 21 min
CO2 emission
1 550 kg

Search flights

Distance from Washington D.C. to Perth

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

Vincenty's formula (applied above)
  • 11542.928 miles
  • 18576.541 kilometers
  • 10030.530 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
  • 11541.037 miles
  • 18573.498 kilometers
  • 10028.887 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 Perth?

The estimated flight time from Washington Dulles International Airport to Perth Airport is 22 hours and 21 minutes.

Flight carbon footprint between Washington Dulles International Airport (IAD) and Perth Airport (PER)

On average, flying from Washington D.C. to Perth generates about 1 550 kg of CO2 per passenger, and 1 550 kilograms equals 3 417 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 Perth

See the map of the shortest flight path between Washington Dulles International Airport (IAD) and Perth Airport (PER).

Airport information

Origin Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″W
Destination Perth Airport
City: Perth
Country: Australia Flag of Australia
IATA Code: PER
ICAO Code: YPPH
Coordinates: 31°56′25″S, 115°58′1″E