How far is Vientiane from Chicago, IL?

The distance between Chicago (Chicago O'Hare International Airport) and Vientiane (Wattay International Airport) is 8251 miles / 13279 kilometers / 7170 nautical miles.

Distance from Chicago to Vientiane

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

Vincenty's formula (applied above)

• 8251.078 miles
• 13278.823 kilometers
• 7169.991 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

• 8239.896 miles
• 13260.828 kilometers
• 7160.274 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 Vientiane?

The estimated flight time from Chicago O'Hare International Airport to Wattay International Airport is 16 hours and 7 minutes.

What is the time difference between Chicago and Vientiane?

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

Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Wattay International Airport (VTE)

On average, flying from Chicago to Vientiane generates about 1 035 kg of CO2 per passenger, and 1 035 kilograms equals 2 282 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Chicago to Vientiane

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

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	Wattay International Airport
City:	Vientiane
Country:	Laos
IATA Code:	VTE
ICAO Code:	VLVT
Coordinates:	17°59′17″N, 102°33′46″E