How far is Rockford, IL, from Idaho Falls, ID?
The distance between Idaho Falls (Idaho Falls Regional Airport) and Rockford (Chicago Rockford International Airport) is 1167 miles / 1877 kilometers / 1014 nautical miles.
The driving distance from Idaho Falls (IDA) to Rockford (RFD) is 1418 miles / 2282 kilometers, and travel time by car is about 25 hours 30 minutes.
Idaho Falls Regional Airport – Chicago Rockford International Airport
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Distance from Idaho Falls to Rockford
There are several ways to calculate the distance from Idaho Falls to Rockford. Here are two standard methods:
Vincenty's formula (applied above)- 1166.575 miles
- 1877.420 kilometers
- 1013.726 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- 1163.491 miles
- 1872.458 kilometers
- 1011.046 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 Idaho Falls to Rockford?
The estimated flight time from Idaho Falls Regional Airport to Chicago Rockford International Airport is 2 hours and 42 minutes.
What is the time difference between Idaho Falls and Rockford?
Flight carbon footprint between Idaho Falls Regional Airport (IDA) and Chicago Rockford International Airport (RFD)
On average, flying from Idaho Falls to Rockford generates about 160 kg of CO2 per passenger, and 160 kilograms equals 353 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Idaho Falls to Rockford
See the map of the shortest flight path between Idaho Falls Regional Airport (IDA) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | Idaho Falls Regional Airport |
|---|---|
| City: | Idaho Falls, ID |
| Country: | United States  |
| IATA Code: | IDA |
| ICAO Code: | KIDA |
| Coordinates: | 43°30′52″N, 112°4′15″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 |