How far is Roi Et from Chicago, IL?

The distance between Chicago (Chicago O'Hare International Airport) and Roi Et (Roi Et Airport) is 8365 miles / 13462 kilometers / 7269 nautical miles.

Distance from Chicago to Roi Et

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

Vincenty's formula (applied above)

• 8364.830 miles
• 13461.889 kilometers
• 7268.838 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

• 8354.226 miles
• 13444.823 kilometers
• 7259.624 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 Roi Et?

The estimated flight time from Chicago O'Hare International Airport to Roi Et Airport is 16 hours and 20 minutes.

What is the time difference between Chicago and Roi Et?

The time difference between Chicago and Roi Et is 13 hours. Roi Et is 13 hours ahead of Chicago.

Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Roi Et Airport (ROI)

On average, flying from Chicago to Roi Et generates about 1 052 kg of CO2 per passenger, and 1 052 kilograms equals 2 319 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Chicago to Roi Et

See the map of the shortest flight path between Chicago O'Hare International Airport (ORD) and Roi Et Airport (ROI).

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	Roi Et Airport
City:	Roi Et
Country:	Thailand
IATA Code:	ROI
ICAO Code:	VTUV
Coordinates:	16°7′0″N, 103°46′26″E