How far is Trieste from Chicago, IL?
The distance between Chicago (Chicago O'Hare International Airport) and Trieste (Trieste – Friuli Venezia Giulia Airport) is 4698 miles / 7561 kilometers / 4083 nautical miles.
Chicago O'Hare International Airport – Trieste – Friuli Venezia Giulia Airport
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Distance from Chicago to Trieste
There are several ways to calculate the distance from Chicago to Trieste. Here are two standard methods:
Vincenty's formula (applied above)- 4698.377 miles
- 7561.305 kilometers
- 4082.778 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- 4685.793 miles
- 7541.053 kilometers
- 4071.843 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 Trieste?
The estimated flight time from Chicago O'Hare International Airport to Trieste – Friuli Venezia Giulia Airport is 9 hours and 23 minutes.
What is the time difference between Chicago and Trieste?
The time difference between Chicago and Trieste is 7 hours. Trieste is 7 hours ahead of Chicago.
Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Trieste – Friuli Venezia Giulia Airport (TRS)
On average, flying from Chicago to Trieste generates about 545 kg of CO2 per passenger, and 545 kilograms equals 1 201 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Chicago to Trieste
See the map of the shortest flight path between Chicago O'Hare International Airport (ORD) and Trieste – Friuli Venezia Giulia Airport (TRS).
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 | Trieste – Friuli Venezia Giulia Airport |
|---|---|
| City: | Trieste |
| Country: | Italy  |
| IATA Code: | TRS |
| ICAO Code: | LIPQ |
| Coordinates: | 45°49′38″N, 13°28′19″E |