How far is Kruunupyy from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and Kruunupyy (Kokkola-Pietarsaari Airport) is 4257 miles / 6851 kilometers / 3699 nautical miles.

Distance from Rockford to Kruunupyy

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

Vincenty's formula (applied above)

• 4257.220 miles
• 6851.331 kilometers
• 3699.423 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

• 4245.017 miles
• 6831.693 kilometers
• 3688.819 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 Kruunupyy?

The estimated flight time from Chicago Rockford International Airport to Kokkola-Pietarsaari Airport is 8 hours and 33 minutes.

What is the time difference between Rockford and Kruunupyy?

The time difference between Rockford and Kruunupyy is 8 hours. Kruunupyy is 8 hours ahead of Rockford.

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Kokkola-Pietarsaari Airport (KOK)

On average, flying from Rockford to Kruunupyy generates about 489 kg of CO2 per passenger, and 489 kilograms equals 1 077 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rockford to Kruunupyy

See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Kokkola-Pietarsaari Airport (KOK).

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	Kokkola-Pietarsaari Airport
City:	Kruunupyy
Country:	Finland
IATA Code:	KOK
ICAO Code:	EFKK
Coordinates:	63°43′16″N, 23°8′35″E