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How far is Union Island from Johannesburg?

The distance between Johannesburg (OR Tambo International Airport) and Union Island (Union Island Airport) is 6580 miles / 10590 kilometers / 5718 nautical miles.

OR Tambo International Airport – Union Island Airport

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6580
Miles
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10590
Kilometers
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5718
Nautical miles

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Distance from Johannesburg to Union Island

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

Vincenty's formula (applied above)
  • 6580.138 miles
  • 10589.705 kilometers
  • 5717.983 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
  • 6578.655 miles
  • 10587.319 kilometers
  • 5716.695 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 Johannesburg to Union Island?

The estimated flight time from OR Tambo International Airport to Union Island Airport is 12 hours and 57 minutes.

Flight carbon footprint between OR Tambo International Airport (JNB) and Union Island Airport (UNI)

On average, flying from Johannesburg to Union Island generates about 796 kg of CO2 per passenger, and 796 kilograms equals 1 755 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Johannesburg to Union Island

See the map of the shortest flight path between OR Tambo International Airport (JNB) and Union Island Airport (UNI).

Airport information

Origin OR Tambo International Airport
City: Johannesburg
Country: South Africa Flag of South Africa
IATA Code: JNB
ICAO Code: FAOR
Coordinates: 26°8′21″S, 28°14′45″E
Destination Union Island Airport
City: Union Island
Country: Saint Vincent and the Grenadines Flag of Saint Vincent and the Grenadines
IATA Code: UNI
ICAO Code: TVSU
Coordinates: 12°36′0″N, 61°24′43″W