How far is Union Island from Praia?

The distance between Praia (Nelson Mandela International Airport) and Union Island (Union Island Airport) is 2551 miles / 4105 kilometers / 2217 nautical miles.

Distance from Praia to Union Island

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

Vincenty's formula (applied above)

• 2550.738 miles
• 4105.015 kilometers
• 2216.531 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

• 2547.468 miles
• 4099.753 kilometers
• 2213.689 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 Praia to Union Island?

The estimated flight time from Nelson Mandela International Airport to Union Island Airport is 5 hours and 19 minutes.

What is the time difference between Praia and Union Island?

The time difference between Praia and Union Island is 3 hours. Union Island is 3 hours behind Praia.

Flight carbon footprint between Nelson Mandela International Airport (RAI) and Union Island Airport (UNI)

On average, flying from Praia to Union Island generates about 281 kg of CO2 per passenger, and 281 kilograms equals 620 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Praia to Union Island

See the map of the shortest flight path between Nelson Mandela International Airport (RAI) and Union Island Airport (UNI).

Airport information

Origin	Nelson Mandela International Airport
City:	Praia
Country:	Cape Verde
IATA Code:	RAI
ICAO Code:	GVNP
Coordinates:	14°56′39″N, 23°29′0″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