How far is Chennai from Chicago, IL?

The distance between Chicago (Chicago O'Hare International Airport) and Chennai (Chennai International Airport) is 8573 miles / 13797 kilometers / 7450 nautical miles.

Distance from Chicago to Chennai

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

Vincenty's formula (applied above)

• 8573.328 miles
• 13797.435 kilometers
• 7450.019 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

• 8563.752 miles
• 13782.023 kilometers
• 7441.697 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 Chennai?

The estimated flight time from Chicago O'Hare International Airport to Chennai International Airport is 16 hours and 43 minutes.

What is the time difference between Chicago and Chennai?

The time difference between Chicago and Chennai is 11 hours 30 minutes. Chennai is 11 hours 30 minutes ahead of Chicago.

Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Chennai International Airport (MAA)

On average, flying from Chicago to Chennai generates about 1 083 kg of CO2 per passenger, and 1 083 kilograms equals 2 388 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Chicago to Chennai

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

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	Chennai International Airport
City:	Chennai
Country:	India
IATA Code:	MAA
ICAO Code:	VOMM
Coordinates:	12°59′24″N, 80°10′9″E