How far is Rockford, IL, from Adak Island, AK?
The distance between Adak Island (Adak Airport) and Rockford (Chicago Rockford International Airport) is 3934 miles / 6331 kilometers / 3418 nautical miles.
Adak Airport – Chicago Rockford International Airport
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Distance from Adak Island to Rockford
There are several ways to calculate the distance from Adak Island to Rockford. Here are two standard methods:
Vincenty's formula (applied above)- 3933.638 miles
- 6330.577 kilometers
- 3418.238 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- 3922.652 miles
- 6312.897 kilometers
- 3408.691 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 Adak Island to Rockford?
The estimated flight time from Adak Airport to Chicago Rockford International Airport is 7 hours and 56 minutes.
What is the time difference between Adak Island and Rockford?
Flight carbon footprint between Adak Airport (ADK) and Chicago Rockford International Airport (RFD)
On average, flying from Adak Island to Rockford generates about 448 kg of CO2 per passenger, and 448 kilograms equals 988 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Adak Island to Rockford
See the map of the shortest flight path between Adak Airport (ADK) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | Adak Airport |
|---|---|
| City: | Adak Island, AK |
| Country: | United States  |
| IATA Code: | ADK |
| ICAO Code: | PADK |
| Coordinates: | 51°52′40″N, 176°38′45″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 |