How far is Alma from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Alma (Alma Airport) is 952 miles / 1532 kilometers / 827 nautical miles.
The driving distance from Rockford (RFD) to Alma (YTF) is 1232 miles / 1983 kilometers, and travel time by car is about 24 hours 14 minutes.
Chicago Rockford International Airport – Alma Airport
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Distance from Rockford to Alma
There are several ways to calculate the distance from Rockford to Alma. Here are two standard methods:
Vincenty's formula (applied above)- 952.190 miles
- 1532.402 kilometers
- 827.431 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- 950.180 miles
- 1529.166 kilometers
- 825.683 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 Alma?
The estimated flight time from Chicago Rockford International Airport to Alma Airport is 2 hours and 18 minutes.
What is the time difference between Rockford and Alma?
The time difference between Rockford and Alma is 1 hour. Alma is 1 hour ahead of Rockford.
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Alma Airport (YTF)
On average, flying from Rockford to Alma generates about 147 kg of CO2 per passenger, and 147 kilograms equals 325 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 Alma
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Alma Airport (YTF).
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 | Alma Airport |
|---|---|
| City: | Alma |
| Country: | Canada  |
| IATA Code: | YTF |
| ICAO Code: | CYTF |
| Coordinates: | 48°30′32″N, 71°38′30″W |