How far is Twin Falls, ID, from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Twin Falls (Magic Valley Regional Airport) is 1295 miles / 2085 kilometers / 1126 nautical miles.
The driving distance from Rockford (RFD) to Twin Falls (TWF) is 1523 miles / 2451 kilometers, and travel time by car is about 26 hours 22 minutes.
Chicago Rockford International Airport – Magic Valley Regional Airport
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Distance from Rockford to Twin Falls
There are several ways to calculate the distance from Rockford to Twin Falls. Here are two standard methods:
Vincenty's formula (applied above)- 1295.466 miles
- 2084.851 kilometers
- 1125.729 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- 1292.054 miles
- 2079.359 kilometers
- 1122.764 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 Twin Falls?
The estimated flight time from Chicago Rockford International Airport to Magic Valley Regional Airport is 2 hours and 57 minutes.
What is the time difference between Rockford and Twin Falls?
The time difference between Rockford and Twin Falls is 1 hour. Twin Falls is 1 hour behind Rockford.
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Magic Valley Regional Airport (TWF)
On average, flying from Rockford to Twin Falls generates about 167 kg of CO2 per passenger, and 167 kilograms equals 367 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 Twin Falls
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Magic Valley Regional Airport (TWF).
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 | Magic Valley Regional Airport |
|---|---|
| City: | Twin Falls, ID |
| Country: | United States |
| IATA Code: | TWF |
| ICAO Code: | KTWF |
| Coordinates: | 42°28′54″N, 114°29′16″W |