How far is Ketchikan, AK, from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and Ketchikan (Ketchikan International Airport) is 2106 miles / 3388 kilometers / 1830 nautical miles.

The driving distance from Rockford (RFD) to Ketchikan (KTN) is 2622 miles / 4220 kilometers, and travel time by car is about 55 hours 4 minutes.

Distance from Rockford to Ketchikan

There are several ways to calculate the distance from Rockford to Ketchikan. 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 Rockford to Ketchikan?

The estimated flight time from Chicago Rockford International Airport to Ketchikan International Airport is 4 hours and 29 minutes.

What is the time difference between Rockford and Ketchikan?

The time difference between Rockford and Ketchikan is 3 hours. Ketchikan is 3 hours behind Rockford.

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Ketchikan International Airport (KTN)

On average, flying from Rockford to Ketchikan 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 Rockford to Ketchikan

See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Ketchikan International Airport (KTN).

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	Ketchikan International Airport
City:	Ketchikan, AK
Country:	United States
IATA Code:	KTN
ICAO Code:	PAKT
Coordinates:	55°21′19″N, 131°42′38″W