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How far is Rockford, IL, from Bozeman, MT?

The distance between Bozeman (Bozeman Yellowstone International Airport) and Rockford (Chicago Rockford International Airport) is 1123 miles / 1807 kilometers / 976 nautical miles.

The driving distance from Bozeman (BZN) to Rockford (RFD) is 1310 miles / 2109 kilometers, and travel time by car is about 23 hours 16 minutes.

Bozeman Yellowstone International Airport – Chicago Rockford International Airport

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1123
Miles
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1807
Kilometers
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976
Nautical miles

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Distance from Bozeman to Rockford

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

Vincenty's formula (applied above)
  • 1123.054 miles
  • 1807.380 kilometers
  • 975.907 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
  • 1120.177 miles
  • 1802.751 kilometers
  • 973.407 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 Bozeman to Rockford?

The estimated flight time from Bozeman Yellowstone International Airport to Chicago Rockford International Airport is 2 hours and 37 minutes.

Flight carbon footprint between Bozeman Yellowstone International Airport (BZN) and Chicago Rockford International Airport (RFD)

On average, flying from Bozeman to Rockford generates about 158 kg of CO2 per passenger, and 158 kilograms equals 348 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Bozeman to Rockford

See the map of the shortest flight path between Bozeman Yellowstone International Airport (BZN) and Chicago Rockford International Airport (RFD).

Airport information

Origin Bozeman Yellowstone International Airport
City: Bozeman, MT
Country: United States Flag of United States
IATA Code: BZN
ICAO Code: KBZN
Coordinates: 45°46′39″N, 111°9′10″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