How far is Union Island from Washington D.C.?
The distance between Washington D.C. (Washington Dulles International Airport) and Union Island (Union Island Airport) is 2064 miles / 3321 kilometers / 1793 nautical miles.
Washington Dulles International Airport – Union Island Airport
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Distance from Washington D.C. to Union Island
There are several ways to calculate the distance from Washington D.C. to Union Island. Here are two standard methods:
Vincenty's formula (applied above)- 2063.502 miles
- 3320.885 kilometers
- 1793.135 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- 2068.412 miles
- 3328.786 kilometers
- 1797.401 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 Union Island?
The estimated flight time from Washington Dulles International Airport to Union Island Airport is 4 hours and 24 minutes.
What is the time difference between Washington D.C. and Union Island?
Flight carbon footprint between Washington Dulles International Airport (IAD) and Union Island Airport (UNI)
On average, flying from Washington D.C. to Union Island generates about 225 kg of CO2 per passenger, and 225 kilograms equals 495 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 Union Island
See the map of the shortest flight path between Washington Dulles International Airport (IAD) and Union Island Airport (UNI).
Airport information
Origin | Washington Dulles International Airport |
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City: | Washington D.C. |
Country: | United States |
IATA Code: | IAD |
ICAO Code: | KIAD |
Coordinates: | 38°56′40″N, 77°27′20″W |
Destination | Union Island Airport |
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City: | Union Island |
Country: | Saint Vincent and the Grenadines |
IATA Code: | UNI |
ICAO Code: | TVSU |
Coordinates: | 12°36′0″N, 61°24′43″W |