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).
Time difference and current local times
The time difference between Chicago and Lopez is 2 hours. Lopez is 2 hours behind Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 196 kg (433 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Lopez (LPS).