How far is Hanoi from Chicago, IL?

The distance between Chicago (Chicago O'Hare International Airport) and Hanoi (Noi Bai International Airport) is 7995 miles / 12867 kilometers / 6948 nautical miles.

Distance from Chicago to Hanoi

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

Vincenty's formula (applied above)

• 7995.184 miles
• 12867.002 kilometers
• 6947.625 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

• 7983.008 miles
• 12847.407 kilometers
• 6937.045 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 Hanoi?

The estimated flight time from Chicago O'Hare International Airport to Noi Bai International Airport is 15 hours and 38 minutes.

What is the time difference between Chicago and Hanoi?

The time difference between Chicago and Hanoi is 12 hours. Hanoi is 12 hours ahead of Chicago.

Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Noi Bai International Airport (HAN)

On average, flying from Chicago to Hanoi generates about 998 kg of CO2 per passenger, and 998 kilograms equals 2 200 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Chicago to Hanoi

See the map of the shortest flight path between Chicago O'Hare International Airport (ORD) and Noi Bai International Airport (HAN).

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	Noi Bai International Airport
City:	Hanoi
Country:	Vietnam
IATA Code:	HAN
ICAO Code:	VVNB
Coordinates:	21°13′16″N, 105°48′25″E