How far is Lopez, WA, from Decatur, IL?

The distance between Decatur (Decatur Airport) and Lopez (Lopez Island Airport) is 1778 miles / 2862 kilometers / 1545 nautical miles.

The driving distance from Decatur (DEC) to Lopez (LPS) is 2205 miles / 3548 kilometers, and travel time by car is about 40 hours 4 minutes.

Distance from Decatur to Lopez

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

Vincenty's formula (applied above)

• 1778.287 miles
• 2861.876 kilometers
• 1545.290 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

• 1774.117 miles
• 2855.165 kilometers
• 1541.666 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 Lopez?

The estimated flight time from Decatur Airport to Lopez Island Airport is 3 hours and 52 minutes.

What is the time difference between Decatur and Lopez?

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

Flight carbon footprint between Decatur Airport (DEC) and Lopez Island Airport (LPS)

On average, flying from Decatur to Lopez generates about 198 kg of CO2 per passenger, and 198 kilograms equals 437 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 Lopez

See the map of the shortest flight path between Decatur Airport (DEC) and Lopez Island Airport (LPS).

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	Lopez Island Airport
City:	Lopez, WA
Country:	United States
IATA Code:	LPS
ICAO Code:	S31
Coordinates:	48°29′2″N, 122°56′16″W