How far is Union Island from St John's?

The distance between St John's (V. C. Bird International Airport) and Union Island (Union Island Airport) is 313 miles / 504 kilometers / 272 nautical miles.

Distance from St John's to Union Island

There are several ways to calculate the distance from St John's to Union Island. Here are two standard methods:

Vincenty's formula (applied above)

• 312.941 miles
• 503.630 kilometers
• 271.939 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

• 314.476 miles
• 506.100 kilometers
• 273.272 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 St John's to Union Island?

The estimated flight time from V. C. Bird International Airport to Union Island Airport is 1 hour and 5 minutes.

What is the time difference between St John's and Union Island?

There is no time difference between St John's and Union Island.

Flight carbon footprint between V. C. Bird International Airport (ANU) and Union Island Airport (UNI)

On average, flying from St John's to Union Island generates about 71 kg of CO2 per passenger, and 71 kilograms equals 157 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from St John's to Union Island

See the map of the shortest flight path between V. C. Bird International Airport (ANU) and Union Island Airport (UNI).

Airport information

Origin	V. C. Bird International Airport
City:	St John's
Country:	Antigua and Barbuda
IATA Code:	ANU
ICAO Code:	TAPA
Coordinates:	17°8′12″N, 61°47′33″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