How far is Lewistown, MT, from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Lewistown (Lewistown Municipal Airport) is 1055 miles / 1698 kilometers / 917 nautical miles.
The driving distance from Rockford (RFD) to Lewistown (LWT) is 1208 miles / 1944 kilometers, and travel time by car is about 21 hours 47 minutes.
Chicago Rockford International Airport – Lewistown Municipal Airport
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Distance from Rockford to Lewistown
There are several ways to calculate the distance from Rockford to Lewistown. Here are two standard methods:
Vincenty's formula (applied above)- 1055.341 miles
- 1698.407 kilometers
- 917.067 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- 1052.784 miles
- 1694.292 kilometers
- 914.845 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 Lewistown?
The estimated flight time from Chicago Rockford International Airport to Lewistown Municipal Airport is 2 hours and 29 minutes.
What is the time difference between Rockford and Lewistown?
The time difference between Rockford and Lewistown is 1 hour. Lewistown is 1 hour behind Rockford.
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Lewistown Municipal Airport (LWT)
On average, flying from Rockford to Lewistown generates about 154 kg of CO2 per passenger, and 154 kilograms equals 340 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 Lewistown
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Lewistown Municipal Airport (LWT).
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 | Lewistown Municipal Airport |
|---|---|
| City: | Lewistown, MT |
| Country: | United States |
| IATA Code: | LWT |
| ICAO Code: | KLWT |
| Coordinates: | 47°2′57″N, 109°28′1″W |