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How far is Rockford, IL, from Hancock, MI?

The distance between Hancock (Houghton County Memorial Airport) and Rockford (Chicago Rockford International Airport) is 345 miles / 555 kilometers / 300 nautical miles.

The driving distance from Hancock (CMX) to Rockford (RFD) is 406 miles / 653 kilometers, and travel time by car is about 8 hours 16 minutes.

Houghton County Memorial Airport – Chicago Rockford International Airport

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345
Miles
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555
Kilometers
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300
Nautical miles

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Distance from Hancock to Rockford

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

Vincenty's formula (applied above)
  • 344.688 miles
  • 554.721 kilometers
  • 299.526 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
  • 344.895 miles
  • 555.054 kilometers
  • 299.705 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 Hancock to Rockford?

The estimated flight time from Houghton County Memorial Airport to Chicago Rockford International Airport is 1 hour and 9 minutes.

Flight carbon footprint between Houghton County Memorial Airport (CMX) and Chicago Rockford International Airport (RFD)

On average, flying from Hancock to Rockford generates about 76 kg of CO2 per passenger, and 76 kilograms equals 167 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Hancock to Rockford

See the map of the shortest flight path between Houghton County Memorial Airport (CMX) and Chicago Rockford International Airport (RFD).

Airport information

Origin Houghton County Memorial Airport
City: Hancock, MI
Country: United States Flag of United States
IATA Code: CMX
ICAO Code: KCMX
Coordinates: 47°10′6″N, 88°29′20″W
Destination 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