How far is Idaho Falls, ID, from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Idaho Falls (Idaho Falls Regional Airport) is 1167 miles / 1877 kilometers / 1014 nautical miles.
The driving distance from Rockford (RFD) to Idaho Falls (IDA) is 1417 miles / 2281 kilometers, and travel time by car is about 25 hours 28 minutes.
Chicago Rockford International Airport – Idaho Falls Regional Airport
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Distance from Rockford to Idaho Falls
There are several ways to calculate the distance from Rockford to Idaho Falls. 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 Rockford to Idaho Falls?
The estimated flight time from Chicago Rockford International Airport to Idaho Falls Regional Airport is 2 hours and 42 minutes.
What is the time difference between Rockford and Idaho Falls?
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Idaho Falls Regional Airport (IDA)
On average, flying from Rockford to Idaho Falls 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 Rockford to Idaho Falls
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Idaho Falls Regional Airport (IDA).
Airport information
| Origin | 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 |
| Destination | 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 |