Air Miles Calculator

Distance between Chicago, IL (ORD) and Lopez, WA (LPS)

Flight distance from Chicago to Lopez (Chicago O'Hare International Airport – Lopez Island Airport) is 1751 miles / 2817 kilometers / 1521 nautical miles. Estimated flight time is 3 hours 48 minutes.

Driving distance from Chicago (ORD) to Lopez (LPS) is 2183 miles / 3513 kilometers and travel time by car is about 36 hours 26 minutes.

Map of flight path and driving directions from Chicago to Lopez.

Shortest flight path between Chicago O'Hare International Airport (ORD) and Lopez Island Airport (LPS).

How far is Lopez from Chicago?

There are several ways to calculate distances between Chicago and Lopez. Here are two common methods:

Vincenty's formula (applied above)
  • 1750.699 miles
  • 2817.476 kilometers
  • 1521.316 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 1746.181 miles
  • 2810.206 kilometers
  • 1517.390 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).

Airport information


A Chicago O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

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

Time difference and current local times

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

Time Difference

Chicago, IL

 CDT

Lopez, WA

 PDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 196 kg (433 pounds).

Frequent Flyer Miles Calculator

Chicago (ORD) → Lopez (LPS).

Distance:
1751
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1751

Round trip?