How far is Kärdla from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and Kärdla (Kärdla Airport) is 4458 miles / 7174 kilometers / 3874 nautical miles.

Distance from Rockford to Kärdla

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

Vincenty's formula (applied above)

• 4457.769 miles
• 7174.083 kilometers
• 3873.695 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

• 4444.992 miles
• 7153.521 kilometers
• 3862.593 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 Kärdla?

The estimated flight time from Chicago Rockford International Airport to Kärdla Airport is 8 hours and 56 minutes.

What is the time difference between Rockford and Kärdla?

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

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Kärdla Airport (KDL)

On average, flying from Rockford to Kärdla generates about 514 kg of CO2 per passenger, and 514 kilograms equals 1 133 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rockford to Kärdla

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

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	Kärdla Airport
City:	Kärdla
Country:	Estonia
IATA Code:	KDL
ICAO Code:	EEKA
Coordinates:	58°59′26″N, 22°49′50″E