How far is Union Island from Cape Town?

The distance between Cape Town (Cape Town International Airport) and Union Island (Union Island Airport) is 6143 miles / 9887 kilometers / 5338 nautical miles.

Distance from Cape Town to Union Island

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

Vincenty's formula (applied above)

• 6143.373 miles
• 9886.800 kilometers
• 5338.445 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

• 6145.215 miles
• 9889.765 kilometers
• 5340.046 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 Cape Town to Union Island?

The estimated flight time from Cape Town International Airport to Union Island Airport is 12 hours and 7 minutes.

What is the time difference between Cape Town and Union Island?

The time difference between Cape Town and Union Island is 6 hours. Union Island is 6 hours behind Cape Town.

Flight carbon footprint between Cape Town International Airport (CPT) and Union Island Airport (UNI)

On average, flying from Cape Town to Union Island generates about 736 kg of CO2 per passenger, and 736 kilograms equals 1 623 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Cape Town to Union Island

See the map of the shortest flight path between Cape Town International Airport (CPT) and Union Island Airport (UNI).

Airport information

Origin	Cape Town International Airport
City:	Cape Town
Country:	South Africa
IATA Code:	CPT
ICAO Code:	FACT
Coordinates:	33°57′53″S, 18°36′6″E

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