How far is Rockford, IL, from Thule?

The distance between Thule (Thule Air Base) and Rockford (Chicago Rockford International Airport) is 2452 miles / 3946 kilometers / 2130 nautical miles.

Distance from Thule to Rockford

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

Vincenty's formula (applied above)

• 2451.705 miles
• 3945.637 kilometers
• 2130.473 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

• 2447.259 miles
• 3938.482 kilometers
• 2126.610 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 Thule to Rockford?

The estimated flight time from Thule Air Base to Chicago Rockford International Airport is 5 hours and 8 minutes.

What is the time difference between Thule and Rockford?

The time difference between Thule and Rockford is 2 hours. Rockford is 2 hours behind Thule.

Flight carbon footprint between Thule Air Base (THU) and Chicago Rockford International Airport (RFD)

On average, flying from Thule to Rockford generates about 270 kg of CO2 per passenger, and 270 kilograms equals 594 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Thule to Rockford

See the map of the shortest flight path between Thule Air Base (THU) and Chicago Rockford International Airport (RFD).

Airport information

Origin	Thule Air Base
City:	Thule
Country:	Greenland
IATA Code:	THU
ICAO Code:	BGTL
Coordinates:	76°31′52″N, 68°42′11″W

Destination	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