How far is Rockford, IL, from Reykjavik?
The distance between Reykjavik (Keflavík International Airport) and Rockford (Chicago Rockford International Airport) is 2968 miles / 4776 kilometers / 2579 nautical miles.
Keflavík International Airport – Chicago Rockford International Airport
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Distance from Reykjavik to Rockford
There are several ways to calculate the distance from Reykjavik to Rockford. Here are two standard methods:
Vincenty's formula (applied above)- 2967.783 miles
- 4776.183 kilometers
- 2578.933 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- 2960.149 miles
- 4763.898 kilometers
- 2572.299 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 Reykjavik to Rockford?
The estimated flight time from Keflavík International Airport to Chicago Rockford International Airport is 6 hours and 7 minutes.
What is the time difference between Reykjavik and Rockford?
The time difference between Reykjavik and Rockford is 6 hours. Rockford is 6 hours behind Reykjavik.
Flight carbon footprint between Keflavík International Airport (KEF) and Chicago Rockford International Airport (RFD)
On average, flying from Reykjavik to Rockford generates about 330 kg of CO2 per passenger, and 330 kilograms equals 728 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Reykjavik to Rockford
See the map of the shortest flight path between Keflavík International Airport (KEF) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | Keflavík International Airport |
|---|---|
| City: | Reykjavik |
| Country: | Iceland  |
| IATA Code: | KEF |
| ICAO Code: | BIKF |
| Coordinates: | 63°59′6″N, 22°36′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 |