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

The distance between Rockford (Chicago Rockford International Airport) and Dillingham (Dillingham Airport) is 3101 miles / 4991 kilometers / 2695 nautical miles.

Distance from Rockford to Dillingham

There are several ways to calculate the distance from Rockford to Dillingham. Here are two standard methods:

Vincenty's formula (applied above)

• 3101.199 miles
• 4990.897 kilometers
• 2694.869 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

• 3092.832 miles
• 4977.431 kilometers
• 2687.598 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 Dillingham?

The estimated flight time from Chicago Rockford International Airport to Dillingham Airport is 6 hours and 22 minutes.

What is the time difference between Rockford and Dillingham?

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

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Dillingham Airport (DLG)

On average, flying from Rockford to Dillingham generates about 346 kg of CO2 per passenger, and 346 kilograms equals 764 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rockford to Dillingham

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

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	Dillingham Airport
City:	Dillingham, AK
Country:	United States
IATA Code:	DLG
ICAO Code:	PADL
Coordinates:	59°2′40″N, 158°30′18″W