How far is Rockford, IL, from St Martin?
The distance between St Martin (Grand Case-Espérance Airport) and Rockford (Chicago Rockford International Airport) is 2259 miles / 3636 kilometers / 1963 nautical miles.
Grand Case-Espérance Airport – Chicago Rockford International Airport
Search flights
Distance from St Martin to Rockford
There are several ways to calculate the distance from St Martin to Rockford. Here are two standard methods:
Vincenty's formula (applied above)- 2259.075 miles
- 3635.629 kilometers
- 1963.083 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- 2260.697 miles
- 3638.239 kilometers
- 1964.492 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 Martin to Rockford?
The estimated flight time from Grand Case-Espérance Airport to Chicago Rockford International Airport is 4 hours and 46 minutes.
What is the time difference between St Martin and Rockford?
The time difference between St Martin and Rockford is 2 hours. Rockford is 2 hours behind St Martin.
Flight carbon footprint between Grand Case-Espérance Airport (SFG) and Chicago Rockford International Airport (RFD)
On average, flying from St Martin to Rockford generates about 247 kg of CO2 per passenger, and 247 kilograms equals 545 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from St Martin to Rockford
See the map of the shortest flight path between Grand Case-Espérance Airport (SFG) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | Grand Case-Espérance Airport |
|---|---|
| City: | St Martin |
| Country: | Saint Martin  |
| IATA Code: | SFG |
| ICAO Code: | TFFG |
| Coordinates: | 18°5′59″N, 63°2′49″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 |