How far is Rockford, IL, from Eastmain River?
The distance between Eastmain River (Eastmain River Airport) and Rockford (Chicago Rockford International Airport) is 851 miles / 1370 kilometers / 740 nautical miles.
The driving distance from Eastmain River (ZEM) to Rockford (RFD) is 1351 miles / 2174 kilometers, and travel time by car is about 30 hours 26 minutes.
Eastmain River Airport – Chicago Rockford International Airport
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Distance from Eastmain River to Rockford
There are several ways to calculate the distance from Eastmain River to Rockford. Here are two standard methods:
Vincenty's formula (applied above)- 851.308 miles
- 1370.048 kilometers
- 739.767 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- 850.577 miles
- 1368.870 kilometers
- 739.131 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 Eastmain River to Rockford?
The estimated flight time from Eastmain River Airport to Chicago Rockford International Airport is 2 hours and 6 minutes.
What is the time difference between Eastmain River and Rockford?
Flight carbon footprint between Eastmain River Airport (ZEM) and Chicago Rockford International Airport (RFD)
On average, flying from Eastmain River to Rockford generates about 139 kg of CO2 per passenger, and 139 kilograms equals 308 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Eastmain River to Rockford
See the map of the shortest flight path between Eastmain River Airport (ZEM) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | Eastmain River Airport |
|---|---|
| City: | Eastmain River |
| Country: | Canada  |
| IATA Code: | ZEM |
| ICAO Code: | CZEM |
| Coordinates: | 52°13′35″N, 78°31′20″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 |