How far is Pärnu from Chicago, IL?

The distance between Chicago (Chicago O'Hare International Airport) and Pärnu (Pärnu Airport) is 4508 miles / 7256 kilometers / 3918 nautical miles.

Distance from Chicago to Pärnu

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

Vincenty's formula (applied above)

• 4508.470 miles
• 7255.680 kilometers
• 3917.754 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

• 4495.609 miles
• 7234.982 kilometers
• 3906.578 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 Pärnu?

The estimated flight time from Chicago O'Hare International Airport to Pärnu Airport is 9 hours and 2 minutes.

What is the time difference between Chicago and Pärnu?

The time difference between Chicago and Pärnu is 8 hours. Pärnu is 8 hours ahead of Chicago.

Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Pärnu Airport (EPU)

On average, flying from Chicago to Pärnu generates about 520 kg of CO2 per passenger, and 520 kilograms equals 1 147 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Chicago to Pärnu

See the map of the shortest flight path between Chicago O'Hare International Airport (ORD) and Pärnu Airport (EPU).

Airport information

Origin	Chicago O'Hare International Airport
City:	Chicago, IL
Country:	United States
IATA Code:	ORD
ICAO Code:	KORD
Coordinates:	41°58′42″N, 87°54′17″W

Destination	Pärnu Airport
City:	Pärnu
Country:	Estonia
IATA Code:	EPU
ICAO Code:	EEPU
Coordinates:	58°25′8″N, 24°28′22″E