How far is Košice from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and Košice (Košice International Airport) is 4883 miles / 7858 kilometers / 4243 nautical miles.

Distance from Rockford to Košice

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

Vincenty's formula (applied above)

• 4882.651 miles
• 7857.865 kilometers
• 4242.908 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

• 4869.276 miles
• 7836.340 kilometers
• 4231.285 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 Košice?

The estimated flight time from Chicago Rockford International Airport to Košice International Airport is 9 hours and 44 minutes.

What is the time difference between Rockford and Košice?

The time difference between Rockford and Košice is 7 hours. Košice is 7 hours ahead of Rockford.

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Košice International Airport (KSC)

On average, flying from Rockford to Košice generates about 569 kg of CO2 per passenger, and 569 kilograms equals 1 254 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rockford to Košice

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

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	Košice International Airport
City:	Košice
Country:	Slovakia
IATA Code:	KSC
ICAO Code:	LZKZ
Coordinates:	48°39′47″N, 21°14′27″E