How far is Redmond, OR, from Decatur, IL?

The distance between Decatur (Decatur Airport) and Redmond (Roberts Field) is 1677 miles / 2700 kilometers / 1458 nautical miles.

The driving distance from Decatur (DEC) to Redmond (RDM) is 1979 miles / 3185 kilometers, and travel time by car is about 34 hours 47 minutes.

Distance from Decatur to Redmond

There are several ways to calculate the distance from Decatur to Redmond. Here are two standard methods:

Vincenty's formula (applied above)

• 1677.404 miles
• 2699.521 kilometers
• 1457.625 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

• 1673.221 miles
• 2692.789 kilometers
• 1453.989 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 Decatur to Redmond?

The estimated flight time from Decatur Airport to Roberts Field is 3 hours and 40 minutes.

What is the time difference between Decatur and Redmond?

The time difference between Decatur and Redmond is 2 hours. Redmond is 2 hours behind Decatur.

Flight carbon footprint between Decatur Airport (DEC) and Roberts Field (RDM)

On average, flying from Decatur to Redmond generates about 191 kg of CO2 per passenger, and 191 kilograms equals 421 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Decatur to Redmond

See the map of the shortest flight path between Decatur Airport (DEC) and Roberts Field (RDM).

Airport information

Origin	Decatur Airport
City:	Decatur, IL
Country:	United States
IATA Code:	DEC
ICAO Code:	KDEC
Coordinates:	39°50′4″N, 88°51′56″W

Destination	Roberts Field
City:	Redmond, OR
Country:	United States
IATA Code:	RDM
ICAO Code:	KRDM
Coordinates:	44°15′14″N, 121°9′0″W