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).
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.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 192 kg (424 pounds).
Chicago to Lopez flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Lopez (LPS).