How far is Rockford, IL, from St Michael, AK?
The distance between St Michael (St. Michael Airport) and Rockford (Chicago Rockford International Airport) is 3170 miles / 5102 kilometers / 2755 nautical miles.
The driving distance from St Michael (SMK) to Rockford (RFD) is 4241 miles / 6825 kilometers, and travel time by car is about 158 hours 4 minutes.
St. Michael Airport – Chicago Rockford International Airport
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Distance from St Michael to Rockford
There are several ways to calculate the distance from St Michael to Rockford. 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 St Michael to Rockford?
The estimated flight time from St. Michael Airport to Chicago Rockford International Airport is 6 hours and 30 minutes.
What is the time difference between St Michael and Rockford?
Flight carbon footprint between St. Michael Airport (SMK) and Chicago Rockford International Airport (RFD)
On average, flying from St Michael to Rockford 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 St Michael to Rockford
See the map of the shortest flight path between St. Michael Airport (SMK) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | 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 |
| Destination | 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 |