Air Miles Calculator logo

How far is Kunsan from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and Kunsan (Gunsan Airport) is 6604 miles / 10627 kilometers / 5738 nautical miles.

Chicago Rockford International Airport – Gunsan Airport

Distance arrow
6604
Miles
Distance arrow
10627
Kilometers
Distance arrow
5738
Nautical miles

Search flights

Distance from Rockford to Kunsan

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

Vincenty's formula (applied above)
  • 6603.510 miles
  • 10627.318 kilometers
  • 5738.293 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
  • 6588.572 miles
  • 10603.279 kilometers
  • 5725.313 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 Kunsan?

The estimated flight time from Chicago Rockford International Airport to Gunsan Airport is 13 hours and 0 minutes.

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Gunsan Airport (KUV)

On average, flying from Rockford to Kunsan generates about 799 kg of CO2 per passenger, and 799 kilograms equals 1 762 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rockford to Kunsan

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

Airport information

Origin Chicago Rockford International Airport
City: Rockford, IL
Country: United States Flag of United States
IATA Code: RFD
ICAO Code: KRFD
Coordinates: 42°11′43″N, 89°5′49″W
Destination Gunsan Airport
City: Kunsan
Country: South Korea Flag of South Korea
IATA Code: KUV
ICAO Code: RKJK
Coordinates: 35°54′13″N, 126°36′57″E