How far is Busan from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and Busan (Gimhae International Airport) is 6590 miles / 10605 kilometers / 5726 nautical miles.

Distance from Rockford to Busan

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

Vincenty's formula (applied above)

• 6589.840 miles
• 10605.319 kilometers
• 5726.414 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

• 6575.073 miles
• 10581.554 kilometers
• 5713.582 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 Rockford to Busan?

The estimated flight time from Chicago Rockford International Airport to Gimhae International Airport is 12 hours and 58 minutes.

What is the time difference between Rockford and Busan?

The time difference between Rockford and Busan is 15 hours. Busan is 15 hours ahead of Rockford.

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Gimhae International Airport (PUS)

On average, flying from Rockford to Busan generates about 798 kg of CO2 per passenger, and 798 kilograms equals 1 758 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rockford to Busan

See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Gimhae International Airport (PUS).

Airport information

Origin	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

Destination	Gimhae International Airport
City:	Busan
Country:	South Korea
IATA Code:	PUS
ICAO Code:	RKPK
Coordinates:	35°10′46″N, 128°56′16″E