How far is Wonju from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and Wonju (Wonju Airport) is 6476 miles / 10422 kilometers / 5627 nautical miles.

Distance from Rockford to Wonju

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

Vincenty's formula (applied above)

• 6475.650 miles
• 10421.548 kilometers
• 5627.186 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

• 6460.589 miles
• 10397.310 kilometers
• 5614.098 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 Wonju?

The estimated flight time from Chicago Rockford International Airport to Wonju Airport is 12 hours and 45 minutes.

What is the time difference between Rockford and Wonju?

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

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Wonju Airport (WJU)

On average, flying from Rockford to Wonju generates about 782 kg of CO2 per passenger, and 782 kilograms equals 1 723 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rockford to Wonju

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

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	Wonju Airport
City:	Wonju
Country:	South Korea
IATA Code:	WJU
ICAO Code:	RKNW
Coordinates:	37°26′17″N, 127°57′35″E