How far is Tallinn from Chicago, IL?

The distance between Chicago (Chicago O'Hare International Airport) and Tallinn (Tallinn Airport) is 4473 miles / 7199 kilometers / 3887 nautical miles.

Distance from Chicago to Tallinn

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

Vincenty's formula (applied above)

• 4473.374 miles
• 7199.198 kilometers
• 3887.256 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

• 4460.594 miles
• 7178.631 kilometers
• 3876.151 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 Tallinn?

The estimated flight time from Chicago O'Hare International Airport to Tallinn Airport is 8 hours and 58 minutes.

What is the time difference between Chicago and Tallinn?

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

Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Tallinn Airport (TLL)

On average, flying from Chicago to Tallinn generates about 516 kg of CO2 per passenger, and 516 kilograms equals 1 138 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Chicago to Tallinn

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

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	Tallinn Airport
City:	Tallinn
Country:	Estonia
IATA Code:	TLL
ICAO Code:	EETN
Coordinates:	59°24′47″N, 24°49′58″E