How far is Union Island from Washington D.C.?
The distance between Washington D.C. (Ronald Reagan Washington National Airport) and Union Island (Union Island Airport) is 2046 miles / 3293 kilometers / 1778 nautical miles.
Ronald Reagan Washington National 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)- 2046.013 miles
- 3292.739 kilometers
- 1777.937 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- 2050.978 miles
- 3300.729 kilometers
- 1782.251 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 Ronald Reagan Washington National Airport to Union Island Airport is 4 hours and 22 minutes.
What is the time difference between Washington D.C. and Union Island?
Flight carbon footprint between Ronald Reagan Washington National Airport (DCA) and Union Island Airport (UNI)
On average, flying from Washington D.C. to Union Island generates about 223 kg of CO2 per passenger, and 223 kilograms equals 491 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 Ronald Reagan Washington National Airport (DCA) and Union Island Airport (UNI).
Airport information
| Origin | Ronald Reagan Washington National Airport |
|---|---|
| City: | Washington D.C. |
| Country: | United States  |
| IATA Code: | DCA |
| ICAO Code: | KDCA |
| Coordinates: | 38°51′7″N, 77°2′15″W |
| Destination | Union Island Airport |
|---|---|
| City: | Union Island |
| Country: | Saint Vincent and the Grenadines  |
| IATA Code: | UNI |
| ICAO Code: | TVSU |
| Coordinates: | 12°36′0″N, 61°24′43″W |