How far is St Michael, AK, from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and St Michael (St. Michael Airport) is 3170 miles / 5102 kilometers / 2755 nautical miles.
The driving distance from Rockford (RFD) to St Michael (SMK) is 4244 miles / 6830 kilometers, and travel time by car is about 158 hours 9 minutes.
Chicago Rockford International Airport – St. Michael Airport
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Distance from Rockford to St Michael
There are several ways to calculate the distance from Rockford to St Michael. Here are two standard methods:
Vincenty's formula (applied above)- 3170.199 miles
- 5101.940 kilometers
- 2754.827 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- 3161.785 miles
- 5088.399 kilometers
- 2747.516 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 St Michael?
The estimated flight time from Chicago Rockford International Airport to St. Michael Airport is 6 hours and 30 minutes.
What is the time difference between Rockford and St Michael?
Flight carbon footprint between Chicago Rockford International Airport (RFD) and St. Michael Airport (SMK)
On average, flying from Rockford to St Michael generates about 355 kg of CO2 per passenger, and 355 kilograms equals 782 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 St Michael
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and St. Michael Airport (SMK).
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 | St. Michael Airport |
|---|---|
| City: | St Michael, AK |
| Country: | United States |
| IATA Code: | SMK |
| ICAO Code: | PAMK |
| Coordinates: | 63°29′24″N, 162°6′36″W |