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

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

The driving distance from Redmond (RDM) to Decatur (DEC) is 1978 miles / 3184 kilometers, and travel time by car is about 34 hours 46 minutes.

Distance from Redmond to Decatur

There are several ways to calculate the distance from Redmond to Decatur. 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 Redmond to Decatur?

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

What is the time difference between Redmond and Decatur?

The time difference between Redmond and Decatur is 2 hours. Decatur is 2 hours ahead of Redmond.

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

On average, flying from Redmond to Decatur 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 Redmond to Decatur

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

Airport information

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

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