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How far is Siem Reap from Chicago, IL?

The distance between Chicago (Chicago O'Hare International Airport) and Siem Reap (Siem Reap–Angkor International Airport) is 8545 miles / 13752 kilometers / 7426 nautical miles.

Chicago O'Hare International Airport – Siem Reap–Angkor International Airport

Distance arrow
8545
Miles
Distance arrow
13752
Kilometers
Distance arrow
7426
Nautical miles
Flight time duration
16 h 40 min
CO2 emission
1 079 kg

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Distance from Chicago to Siem Reap

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

Vincenty's formula (applied above)
  • 8545.190 miles
  • 13752.151 kilometers
  • 7425.567 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
  • 8535.482 miles
  • 13736.527 kilometers
  • 7417.131 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 Siem Reap?

The estimated flight time from Chicago O'Hare International Airport to Siem Reap–Angkor International Airport is 16 hours and 40 minutes.

Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Siem Reap–Angkor International Airport (SAI)

On average, flying from Chicago to Siem Reap generates about 1 079 kg of CO2 per passenger, and 1 079 kilograms equals 2 379 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Chicago to Siem Reap

See the map of the shortest flight path between Chicago O'Hare International Airport (ORD) and Siem Reap–Angkor International Airport (SAI).

Airport information

Origin Chicago O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W
Destination Siem Reap–Angkor International Airport
City: Siem Reap
Country: Cambodia Flag of Cambodia
IATA Code: SAI
ICAO Code: VDSA
Coordinates: 13°22′9″N, 104°13′23″E