How far is St. Lewis from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and St. Lewis (St. Lewis (Fox Harbour) Airport) is 1702 miles / 2738 kilometers / 1479 nautical miles.
The driving distance from Rockford (RFD) to St. Lewis (YFX) is 2312 miles / 3720 kilometers, and travel time by car is about 51 hours 29 minutes.
Chicago Rockford International Airport – St. Lewis (Fox Harbour) Airport
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Distance from Rockford to St. Lewis
There are several ways to calculate the distance from Rockford to St. Lewis. Here are two standard methods:
Vincenty's formula (applied above)- 1701.588 miles
- 2738.441 kilometers
- 1478.640 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- 1697.528 miles
- 2731.906 kilometers
- 1475.111 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. Lewis?
The estimated flight time from Chicago Rockford International Airport to St. Lewis (Fox Harbour) Airport is 3 hours and 43 minutes.
What is the time difference between Rockford and St. Lewis?
Flight carbon footprint between Chicago Rockford International Airport (RFD) and St. Lewis (Fox Harbour) Airport (YFX)
On average, flying from Rockford to St. Lewis generates about 193 kg of CO2 per passenger, and 193 kilograms equals 425 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. Lewis
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and St. Lewis (Fox Harbour) Airport (YFX).
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. Lewis (Fox Harbour) Airport |
|---|---|
| City: | St. Lewis |
| Country: | Canada  |
| IATA Code: | YFX |
| ICAO Code: | CCK4 |
| Coordinates: | 52°22′22″N, 55°40′26″W |