How far is Kotzebue, AK, from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Kotzebue (Ralph Wien Memorial Airport) is 3155 miles / 5078 kilometers / 2742 nautical miles.
The driving distance from Rockford (RFD) to Kotzebue (OTZ) is 4160 miles / 6695 kilometers, and travel time by car is about 157 hours 29 minutes.
Chicago Rockford International Airport – Ralph Wien Memorial Airport
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Distance from Rockford to Kotzebue
There are several ways to calculate the distance from Rockford to Kotzebue. 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 Rockford to Kotzebue?
The estimated flight time from Chicago Rockford International Airport to Ralph Wien Memorial Airport is 6 hours and 28 minutes.
What is the time difference between Rockford and Kotzebue?
The time difference between Rockford and Kotzebue is 3 hours. Kotzebue is 3 hours behind Rockford.
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Ralph Wien Memorial Airport (OTZ)
On average, flying from Rockford to Kotzebue 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 Rockford to Kotzebue
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Ralph Wien Memorial Airport (OTZ).
Airport information
| Origin | 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 |
| Destination | 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 |