How far is Union Island from Chicago, IL?

The distance between Chicago (Chicago Midway International Airport) and Union Island (Union Island Airport) is 2560 miles / 4121 kilometers / 2225 nautical miles.

Distance from Chicago to Union Island

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

Vincenty's formula (applied above)

• 2560.439 miles
• 4120.628 kilometers
• 2224.961 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

• 2563.984 miles
• 4126.332 kilometers
• 2228.041 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 Chicago to Union Island?

The estimated flight time from Chicago Midway International Airport to Union Island Airport is 5 hours and 20 minutes.

What is the time difference between Chicago and Union Island?

The time difference between Chicago and Union Island is 2 hours. Union Island is 2 hours ahead of Chicago.

Flight carbon footprint between Chicago Midway International Airport (MDW) and Union Island Airport (UNI)

On average, flying from Chicago to Union Island generates about 282 kg of CO2 per passenger, and 282 kilograms equals 622 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Chicago to Union Island

See the map of the shortest flight path between Chicago Midway International Airport (MDW) and Union Island Airport (UNI).

Airport information

Origin	Chicago Midway International Airport
City:	Chicago, IL
Country:	United States
IATA Code:	MDW
ICAO Code:	KMDW
Coordinates:	41°47′9″N, 87°45′8″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