How far is Rockford, IL, from Hanoi?

The distance between Hanoi (Noi Bai International Airport) and Rockford (Chicago Rockford International Airport) is 7965 miles / 12819 kilometers / 6922 nautical miles.

Distance from Hanoi to Rockford

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

Vincenty's formula (applied above)

• 7965.138 miles
• 12818.648 kilometers
• 6921.516 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

• 7952.942 miles
• 12799.019 kilometers
• 6910.918 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 Hanoi to Rockford?

The estimated flight time from Noi Bai International Airport to Chicago Rockford International Airport is 15 hours and 34 minutes.

What is the time difference between Hanoi and Rockford?

The time difference between Hanoi and Rockford is 13 hours. Rockford is 13 hours behind Hanoi.

Flight carbon footprint between Noi Bai International Airport (HAN) and Chicago Rockford International Airport (RFD)

On average, flying from Hanoi to Rockford generates about 993 kg of CO2 per passenger, and 993 kilograms equals 2 190 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Hanoi to Rockford

See the map of the shortest flight path between Noi Bai International Airport (HAN) and Chicago Rockford International Airport (RFD).

Airport information

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

Destination	Chicago Rockford International Airport
City:	Rockford, IL
Country:	United States
IATA Code:	RFD
ICAO Code:	KRFD
Coordinates:	42°11′43″N, 89°5′49″W