How far is Rockford, IL, from Ketchikan, AK?
The distance between Ketchikan (Ketchikan International Airport) and Rockford (Chicago Rockford International Airport) is 2106 miles / 3388 kilometers / 1830 nautical miles.
The driving distance from Ketchikan (KTN) to Rockford (RFD) is 2617 miles / 4212 kilometers, and travel time by car is about 54 hours 55 minutes.
Ketchikan International Airport – Chicago Rockford International Airport
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Distance from Ketchikan to Rockford
There are several ways to calculate the distance from Ketchikan to Rockford. Here are two standard methods:
Vincenty's formula (applied above)- 2105.510 miles
- 3388.491 kilometers
- 1829.639 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- 2100.355 miles
- 3380.194 kilometers
- 1825.159 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 Ketchikan to Rockford?
The estimated flight time from Ketchikan International Airport to Chicago Rockford International Airport is 4 hours and 29 minutes.
What is the time difference between Ketchikan and Rockford?
Flight carbon footprint between Ketchikan International Airport (KTN) and Chicago Rockford International Airport (RFD)
On average, flying from Ketchikan to Rockford generates about 229 kg of CO2 per passenger, and 229 kilograms equals 506 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Ketchikan to Rockford
See the map of the shortest flight path between Ketchikan International Airport (KTN) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | Ketchikan International Airport |
|---|---|
| City: | Ketchikan, AK |
| Country: | United States  |
| IATA Code: | KTN |
| ICAO Code: | PAKT |
| Coordinates: | 55°21′19″N, 131°42′38″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 |