Air Miles Calculator

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

Distance from Chicago to Lopez (Lopez Island Airport – O'Hare International Airport) is 1751 miles / 2817 kilometers / 1521 nautical miles.

Calculations with different 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).

Flight duration

Estimated flight time from O'Hare International Airport (ORD) to Lopez Island Airport (LPS) is 3 hours 48 minutes.

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
Lopez

Chicago, IL

 CDT

Lopez, WA

 PDT

Airport information


A 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

Map

Chicago to Lopez flight map.

Frequent Flyer Miles Calculator

Chicago (ORD) → Lopez (LPS).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1751
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1751

Round trip?