How far is Chicago, IL, from Tehran?
The distance between Tehran (Tehran Imam Khomeini International Airport) and Chicago (Chicago O'Hare International Airport) is 6511 miles / 10478 kilometers / 5657 nautical miles.
Tehran Imam Khomeini International Airport – Chicago O'Hare International Airport
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Distance from Tehran to Chicago
There are several ways to calculate the distance from Tehran to Chicago. Here are two standard methods:
Vincenty's formula (applied above)- 6510.510 miles
- 10477.651 kilometers
- 5657.479 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- 6495.834 miles
- 10454.032 kilometers
- 5644.726 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 Tehran to Chicago?
The estimated flight time from Tehran Imam Khomeini International Airport to Chicago O'Hare International Airport is 12 hours and 49 minutes.
What is the time difference between Tehran and Chicago?
Flight carbon footprint between Tehran Imam Khomeini International Airport (IKA) and Chicago O'Hare International Airport (ORD)
On average, flying from Tehran to Chicago generates about 787 kg of CO2 per passenger, and 787 kilograms equals 1 734 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Tehran to Chicago
See the map of the shortest flight path between Tehran Imam Khomeini International Airport (IKA) and Chicago O'Hare International Airport (ORD).
Airport information
| Origin | Tehran Imam Khomeini International Airport |
|---|---|
| City: | Tehran |
| Country: | Iran  |
| IATA Code: | IKA |
| ICAO Code: | OIIE |
| Coordinates: | 35°24′57″N, 51°9′7″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 |