How far is Chicago, IL, from Chennai?

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

Distance from Chennai to Chicago

There are several ways to calculate the distance from Chennai to Chicago. 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 Chennai to Chicago?

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

What is the time difference between Chennai and Chicago?

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

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

On average, flying from Chennai to Chicago 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 Chennai to Chicago

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

Airport information

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

Destination	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