How far is Rockford, IL, from Butte, MT?
The distance between Butte (Bert Mooney Airport) and Rockford (Chicago Rockford International Airport) is 1189 miles / 1913 kilometers / 1033 nautical miles.
The driving distance from Butte (BTM) to Rockford (RFD) is 1384 miles / 2228 kilometers, and travel time by car is about 24 hours 30 minutes.
Bert Mooney Airport – Chicago Rockford International Airport
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Distance from Butte to Rockford
There are several ways to calculate the distance from Butte to Rockford. 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 Butte to Rockford?
The estimated flight time from Bert Mooney Airport to Chicago Rockford International Airport is 2 hours and 45 minutes.
What is the time difference between Butte and Rockford?
The time difference between Butte and Rockford is 1 hour. Rockford is 1 hour ahead of Butte.
Flight carbon footprint between Bert Mooney Airport (BTM) and Chicago Rockford International Airport (RFD)
On average, flying from Butte to Rockford 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 Butte to Rockford
See the map of the shortest flight path between Bert Mooney Airport (BTM) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | Bert Mooney Airport |
|---|---|
| City: | Butte, MT |
| Country: | United States  |
| IATA Code: | BTM |
| ICAO Code: | KBTM |
| Coordinates: | 45°57′17″N, 112°29′49″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 |