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How far is Union Island from Philipsburg?

The distance between Philipsburg (Sint Maarten Princess Juliana International Airport) and Union Island (Union Island Airport) is 391 miles / 629 kilometers / 340 nautical miles.

Sint Maarten Princess Juliana International Airport – Union Island Airport

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391
Miles
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629
Kilometers
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340
Nautical miles

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Distance from Philipsburg to Union Island

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

Vincenty's formula (applied above)
  • 390.841 miles
  • 628.997 kilometers
  • 339.631 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
  • 392.552 miles
  • 631.752 kilometers
  • 341.119 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 Philipsburg to Union Island?

The estimated flight time from Sint Maarten Princess Juliana International Airport to Union Island Airport is 1 hour and 14 minutes.

What is the time difference between Philipsburg and Union Island?

There is no time difference between Philipsburg and Union Island.

Flight carbon footprint between Sint Maarten Princess Juliana International Airport (SXM) and Union Island Airport (UNI)

On average, flying from Philipsburg to Union Island generates about 83 kg of CO2 per passenger, and 83 kilograms equals 182 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Philipsburg to Union Island

See the map of the shortest flight path between Sint Maarten Princess Juliana International Airport (SXM) and Union Island Airport (UNI).

Airport information

Origin Sint Maarten Princess Juliana International Airport
City: Philipsburg
Country: Netherlands Antilles Flag of Netherlands Antilles
IATA Code: SXM
ICAO Code: TNCM
Coordinates: 18°2′27″N, 63°6′32″W
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