Air Miles Calculator logo

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

The distance between Rockford (Chicago Rockford International Airport) and Butte (Bert Mooney Airport) is 1189 miles / 1913 kilometers / 1033 nautical miles.

The driving distance from Rockford (RFD) to Butte (BTM) is 1386 miles / 2231 kilometers, and travel time by car is about 24 hours 37 minutes.

Chicago Rockford International Airport – Bert Mooney Airport

Distance arrow
1189
Miles
Distance arrow
1913
Kilometers
Distance arrow
1033
Nautical miles

Search flights

Distance from Rockford to Butte

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

Vincenty's formula (applied above)
  • 1188.662 miles
  • 1912.965 kilometers
  • 1032.919 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
  • 1185.607 miles
  • 1908.049 kilometers
  • 1030.264 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 Butte?

The estimated flight time from Chicago Rockford International Airport to Bert Mooney Airport is 2 hours and 45 minutes.

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Bert Mooney Airport (BTM)

On average, flying from Rockford to Butte generates about 161 kg of CO2 per passenger, and 161 kilograms equals 355 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Rockford to Butte

See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Bert Mooney Airport (BTM).

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 Bert Mooney Airport
City: Butte, MT
Country: United States Flag of United States
IATA Code: BTM
ICAO Code: KBTM
Coordinates: 45°57′17″N, 112°29′49″W