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How far is Erfurt from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and Erfurt (Erfurt–Weimar Airport) is 4425 miles / 7122 kilometers / 3846 nautical miles.

Chicago Rockford International Airport – Erfurt–Weimar Airport

Distance arrow
4425
Miles
Distance arrow
7122
Kilometers
Distance arrow
3846
Nautical miles

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Distance from Rockford to Erfurt

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

Vincenty's formula (applied above)
  • 4425.416 miles
  • 7122.017 kilometers
  • 3845.581 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
  • 4413.082 miles
  • 7102.168 kilometers
  • 3834.864 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 Erfurt?

The estimated flight time from Chicago Rockford International Airport to Erfurt–Weimar Airport is 8 hours and 52 minutes.

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Erfurt–Weimar Airport (ERF)

On average, flying from Rockford to Erfurt generates about 510 kg of CO2 per passenger, and 510 kilograms equals 1 124 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rockford to Erfurt

See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Erfurt–Weimar Airport (ERF).

Airport information

Origin Chicago Rockford International Airport
City: Rockford, IL
Country: United States Flag of United States
IATA Code: RFD
ICAO Code: KRFD
Coordinates: 42°11′43″N, 89°5′49″W
Destination Erfurt–Weimar Airport
City: Erfurt
Country: Germany Flag of Germany
IATA Code: ERF
ICAO Code: EDDE
Coordinates: 50°58′47″N, 10°57′29″E