How far is Union Island from Willemstad?

The distance between Willemstad (Curaçao International Airport) and Union Island (Union Island Airport) is 511 miles / 822 kilometers / 444 nautical miles.

Distance from Willemstad to Union Island

There are several ways to calculate the distance from Willemstad to Union Island. Here are two standard methods:

Vincenty's formula (applied above)

• 510.765 miles
• 821.997 kilometers
• 443.843 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

• 510.126 miles
• 820.968 kilometers
• 443.287 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 Willemstad to Union Island?

The estimated flight time from Curaçao International Airport to Union Island Airport is 1 hour and 28 minutes.

What is the time difference between Willemstad and Union Island?

There is no time difference between Willemstad and Union Island.

Flight carbon footprint between Curaçao International Airport (CUR) and Union Island Airport (UNI)

On average, flying from Willemstad to Union Island generates about 100 kg of CO2 per passenger, and 100 kilograms equals 221 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Willemstad to Union Island

See the map of the shortest flight path between Curaçao International Airport (CUR) and Union Island Airport (UNI).

Airport information

Origin	Curaçao International Airport
City:	Willemstad
Country:	Netherlands Antilles
IATA Code:	CUR
ICAO Code:	TNCC
Coordinates:	12°11′20″N, 68°57′35″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