How far is Decatur, IL, from Riverton, WY?

The distance between Riverton (Central Wyoming Regional Airport) and Decatur (Decatur Airport) is 1039 miles / 1672 kilometers / 903 nautical miles.

The driving distance from Riverton (RIW) to Decatur (DEC) is 1191 miles / 1916 kilometers, and travel time by car is about 22 hours 16 minutes.

Distance from Riverton to Decatur

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

Vincenty's formula (applied above)

• 1038.936 miles
• 1672.005 kilometers
• 902.810 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

• 1036.433 miles
• 1667.977 kilometers
• 900.636 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 Riverton to Decatur?

The estimated flight time from Central Wyoming Regional Airport to Decatur Airport is 2 hours and 28 minutes.

What is the time difference between Riverton and Decatur?

The time difference between Riverton and Decatur is 1 hour. Decatur is 1 hour ahead of Riverton.

Flight carbon footprint between Central Wyoming Regional Airport (RIW) and Decatur Airport (DEC)

On average, flying from Riverton to Decatur generates about 153 kg of CO2 per passenger, and 153 kilograms equals 338 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Riverton to Decatur

See the map of the shortest flight path between Central Wyoming Regional Airport (RIW) and Decatur Airport (DEC).

Airport information

Origin	Central Wyoming Regional Airport
City:	Riverton, WY
Country:	United States
IATA Code:	RIW
ICAO Code:	KRIW
Coordinates:	43°3′51″N, 108°27′35″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