How far is Rockford, IL, from Kotzebue, AK?
The distance between Kotzebue (Ralph Wien Memorial Airport) and Rockford (Chicago Rockford International Airport) is 3155 miles / 5078 kilometers / 2742 nautical miles.
The driving distance from Kotzebue (OTZ) to Rockford (RFD) is 4157 miles / 6690 kilometers, and travel time by car is about 157 hours 25 minutes.
Ralph Wien Memorial Airport – Chicago Rockford International Airport
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Distance from Kotzebue to Rockford
There are several ways to calculate the distance from Kotzebue to Rockford. Here are two standard methods:
Vincenty's formula (applied above)- 3155.123 miles
- 5077.678 kilometers
- 2741.727 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- 3146.939 miles
- 5064.508 kilometers
- 2734.615 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 Kotzebue to Rockford?
The estimated flight time from Ralph Wien Memorial Airport to Chicago Rockford International Airport is 6 hours and 28 minutes.
What is the time difference between Kotzebue and Rockford?
The time difference between Kotzebue and Rockford is 3 hours. Rockford is 3 hours ahead of Kotzebue.
Flight carbon footprint between Ralph Wien Memorial Airport (OTZ) and Chicago Rockford International Airport (RFD)
On average, flying from Kotzebue to Rockford generates about 353 kg of CO2 per passenger, and 353 kilograms equals 778 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Kotzebue to Rockford
See the map of the shortest flight path between Ralph Wien Memorial Airport (OTZ) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | Ralph Wien Memorial Airport |
|---|---|
| City: | Kotzebue, AK |
| Country: | United States  |
| IATA Code: | OTZ |
| ICAO Code: | PAOT |
| Coordinates: | 66°53′4″N, 162°35′56″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 |